“20-20” Quantitative Aptitude | Crack SBI PO Prelims 2018 Day-140
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“20-20” Aptitude Questions | Crack SBI PO Prelims 2018 Day-140
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Question 1 of 20
1. Question
Directions (Q. 1 – 5): What value should come in the place of question mark (?) in the following questions?
? % of 2500 = 42 % of 4650 + 887
Correct
Directions (Q. 1 – 5):
Answer d
(x/100)*2500 = (42/100)*4650 + 887
25x = 1953 + 887
25x = 2840
X = (2840/25) = 113.6
Incorrect
Directions (Q. 1 – 5):
Answer d
(x/100)*2500 = (42/100)*4650 + 887
25x = 1953 + 887
25x = 2840
X = (2840/25) = 113.6
Question 2 of 20
2. Question
Directions (Q. 1 – 5): What value should come in the place of question mark (?) in the following questions?
(4/15) of 8550 + (3/19) of 7182 =? × 3
Correct
Answer a
(4/15)*8550 + (3/19)*7182 = 3x
2280 + 1134 = 3x
3414 = 3x
X = 3414/3 = 1138
Incorrect
Answer a
(4/15)*8550 + (3/19)*7182 = 3x
2280 + 1134 = 3x
3414 = 3x
X = 3414/3 = 1138
Question 3 of 20
3. Question
Directions (Q. 1 – 5): What value should come in the place of question mark (?) in the following questions?
√5625 ÷ 5 × 15^{2} + 57 =? + 16005 ÷ 11
Correct
Answer c
(75*15*15)/5 + 57 = x + (16005/11)
3375 + 57 – 1455 = x
X = 1977
Incorrect
Answer c
(75*15*15)/5 + 57 = x + (16005/11)
3375 + 57 – 1455 = x
X = 1977
Question 4 of 20
4. Question
Directions (Q. 1 – 5): What value should come in the place of question mark (?) in the following questions?
(11/25) of (125/77) of 490 =?^{2} + 125
Correct
Answer b
(11/25)*(125/77)*490 = x^{2} + 125
350 – 125 = x^{2}
X^{2} = 225
X = 15
Incorrect
Answer b
(11/25)*(125/77)*490 = x^{2} + 125
350 – 125 = x^{2}
X^{2} = 225
X = 15
Question 5 of 20
5. Question
Directions (Q. 1 – 5): What value should come in the place of question mark (?) in the following questions?
25 % of 5200 + 24^{2} ÷ 8 × 3 + 19^{2} =?
Correct
Answer a
(25/100)*5200 + (24*24*3)/8 + 361 = x
1300 + 216 + 361 = x
X = 1877
Incorrect
Answer a
(25/100)*5200 + (24*24*3)/8 + 361 = x
1300 + 216 + 361 = x
X = 1877
Question 6 of 20
6. Question
Directions (Q. 6 – 10): What value should come in the place of question mark (?) in the following number series?
1072, 1116, 1152, 1179 , 1196, ?
Correct
Directions (Q. 6 – 10):
Answer e
The difference of difference is, 8, 9, 10, 11,..
The answer is, 1202
Incorrect
Directions (Q. 6 – 10):
Answer e
The difference of difference is, 8, 9, 10, 11,..
The answer is, 1202
Question 7 of 20
7. Question
Directions (Q. 6 – 10): What value should come in the place of question mark (?) in the following number series?
124, 1455, ? , 1069, 944, 971
Correct
Answer c
The pattern is, + 11^{3}, – 9^{3}, + 7^{3}, – 5^{3}, + 3^{3},..
The answer is, 726
Incorrect
Answer c
The pattern is, + 11^{3}, – 9^{3}, + 7^{3}, – 5^{3}, + 3^{3},..
The answer is, 726
Question 8 of 20
8. Question
Directions (Q. 6 – 10): What value should come in the place of question mark (?) in the following number series?
1252, 626, 939, 2347.5, ?
Correct
Answer a
The pattern is, *1/2, *3/2, *5/2, *7/2,..
The answer is, 8216.25
Incorrect
Answer a
The pattern is, *1/2, *3/2, *5/2, *7/2,..
The answer is, 8216.25
Question 9 of 20
9. Question
Directions (Q. 6 – 10): What value should come in the place of question mark (?) in the following number series?
12, 14, 31, 97, 393, ?
Correct
Answer d
The pattern is, *1 + 2, *2 + 3, *3 + 4, *4 + 5, *5 + 6,…
The answer is, 1971
Incorrect
Answer d
The pattern is, *1 + 2, *2 + 3, *3 + 4, *4 + 5, *5 + 6,…
The answer is, 1971
Question 10 of 20
10. Question
Directions (Q. 6 – 10): What value should come in the place of question mark (?) in the following number series?
356, 176, 86, 41, ? , 7.25
Correct
Answer b
The pattern is, – 4 ÷ 2
The answer is, 18.5
Incorrect
Answer b
The pattern is, – 4 ÷ 2
The answer is, 18.5
Question 11 of 20
11. Question
A sum of money is divided among A, B and C in the ratio of 3: 5: 6. If C gives Rs. 20 to B and B gives to A half of what has now, then A has Rs. 20 less than C. The sum of money divided among them is?
Correct
Answer c
The ratio of amount of A, B and C = 3: 5: 6 (3x, 5x, 6x)
C gives Rs. 20 to B. So,
C = 6x – 20, B = 5x + 20
B gives to A half of what has now. So,
A = 3x + (5x + 20)/2
According to the question,
3x + (5x + 20)/2 = 6x – 20 – 20
6x + 5x + 20 = 12x – 80
12x – 11x = 20 + 80
X = 100
Total amount = 14x = Rs. 1400
Incorrect
Answer c
The ratio of amount of A, B and C = 3: 5: 6 (3x, 5x, 6x)
C gives Rs. 20 to B. So,
C = 6x – 20, B = 5x + 20
B gives to A half of what has now. So,
A = 3x + (5x + 20)/2
According to the question,
3x + (5x + 20)/2 = 6x – 20 – 20
6x + 5x + 20 = 12x – 80
12x – 11x = 20 + 80
X = 100
Total amount = 14x = Rs. 1400
Question 12 of 20
12. Question
Two metro trains each 150 m long are moving in opposite directions. They cross each other in 10 seconds. If one is moving twice as fast the other, the speed of the faster metro train is?
Correct
Answer b
D = 150 + 150 = 300 m, t = 10 sec
Speed of slow train = s, faster = 2s
Total speed = 2s + s = 3s
So, 3s = 300/10 = 30 m/s
S = 30/3 = 10 m/s
2S = 20 m/s or 72 km/hr
Incorrect
Answer b
D = 150 + 150 = 300 m, t = 10 sec
Speed of slow train = s, faster = 2s
Total speed = 2s + s = 3s
So, 3s = 300/10 = 30 m/s
S = 30/3 = 10 m/s
2S = 20 m/s or 72 km/hr
Question 13 of 20
13. Question
P, Q and R started a business by investing Rs. 15000, Rs. 20000 and Rs. 30000 respectively. After 6 months, P invested Rs. 10000 more. And after 3 months, R withdraws 30 % of initial investment. Find the share of R, if the total profit at the end of the year is Rs. 94850?
A shopkeeper allowed 25% discount on an item on the marked price and he suffered a loss of 10%. What would the profit percentage if he allows only 10% discount?
Difference between Simple interest and Compound interest on a certain sum at the rate of 12 % per annum for two years is Rs. 648. Find the simple interest on that sum at the rate of 15% per annum for 5 years?
Correct
Answer c
The difference between CI and SI for two years is,
Diff = P*(r/100)^{2}
=> 648 = P*(12/100)^{2}
=> 648 = P*(3/25)^{2}
=> 648 = P*(9/625)
=> P = Rs. 45000
SI = (P*n*r)/100 = (45000*5*15)/100 = Rs. 33750
Incorrect
Answer c
The difference between CI and SI for two years is,
Diff = P*(r/100)^{2}
=> 648 = P*(12/100)^{2}
=> 648 = P*(3/25)^{2}
=> 648 = P*(9/625)
=> P = Rs. 45000
SI = (P*n*r)/100 = (45000*5*15)/100 = Rs. 33750
Question 16 of 20
16. Question
Directions (Q. 16 – 20) Study the following information carefully and answer the given questions:
Following table shows the total production of 2 different items (Item1 and Item2) in 5 different companies and the ratio of production of Item1 and Item2 and the percentage of sold items and the ratio of sold item1 and item2 in the year 2017.
Total production
(In lakhs)
(Production)
I1 : I2
Sold %
(Sold)
I1 : I2
A
42
3 : 4
68 %
1 : 2
B
55
6 : 5
75 %
3 : 2
C
64
7 : 9
85 %
2 : 3
D
36
5 : 4
82 %
4 : 3
E
48
7 : 5
76 %
7 : 5
Find the average number of items sold by the companies A, B and D together?
Correct
Directions (Q. 16 – 20)
Answer a
The total number of items sold by the companies A, B and D together
= > 42*(68/100) + 55*(75/100) + 36*(82/100)
= > 28.56 + 41.25 + 29.52
= > 99.33 lakhs
Required average = 99.33/3 = 33.11 lakhs
Incorrect
Directions (Q. 16 – 20)
Answer a
The total number of items sold by the companies A, B and D together
= > 42*(68/100) + 55*(75/100) + 36*(82/100)
= > 28.56 + 41.25 + 29.52
= > 99.33 lakhs
Required average = 99.33/3 = 33.11 lakhs
Question 17 of 20
17. Question
Directions (Q. 16 – 20) Study the following information carefully and answer the given questions:
Following table shows the total production of 2 different items (Item1 and Item2) in 5 different companies and the ratio of production of Item1 and Item2 and the percentage of sold items and the ratio of sold item1 and item2 in the year 2017.
Total production
(In lakhs)
(Production)
I1 : I2
Sold %
(Sold)
I1 : I2
A
42
3 : 4
68 %
1 : 2
B
55
6 : 5
75 %
3 : 2
C
64
7 : 9
85 %
2 : 3
D
36
5 : 4
82 %
4 : 3
E
48
7 : 5
76 %
7 : 5
Find the ratio of total production of Item2 of companies B and D together to that of total production of Item1 of companies A and E together?
Correct
Answer c
Total production of Item2 of companies B and D together
= > 55*(5/11) + 36*(4/9)
= > 25 + 16 = 41 lakhs
Total production of Item1 of companies A and E together
= > 42*(3/7) + 48*(7/12)
= > 18 + 28 = 46 lakhs
Required ratio = 41: 46
Incorrect
Answer c
Total production of Item2 of companies B and D together
= > 55*(5/11) + 36*(4/9)
= > 25 + 16 = 41 lakhs
Total production of Item1 of companies A and E together
= > 42*(3/7) + 48*(7/12)
= > 18 + 28 = 46 lakhs
Required ratio = 41: 46
Question 18 of 20
18. Question
Directions (Q. 16 – 20) Study the following information carefully and answer the given questions:
Following table shows the total production of 2 different items (Item1 and Item2) in 5 different companies and the ratio of production of Item1 and Item2 and the percentage of sold items and the ratio of sold item1 and item2 in the year 2017.
Total production
(In lakhs)
(Production)
I1 : I2
Sold %
(Sold)
I1 : I2
A
42
3 : 4
68 %
1 : 2
B
55
6 : 5
75 %
3 : 2
C
64
7 : 9
85 %
2 : 3
D
36
5 : 4
82 %
4 : 3
E
48
7 : 5
76 %
7 : 5
Total sold item1 of Company A is what percentage of total sold item2 of company C?
Directions (Q. 16 – 20) Study the following information carefully and answer the given questions:
Following table shows the total production of 2 different items (Item1 and Item2) in 5 different companies and the ratio of production of Item1 and Item2 and the percentage of sold items and the ratio of sold item1 and item2 in the year 2017.
Total production
(In lakhs)
(Production)
I1 : I2
Sold %
(Sold)
I1 : I2
A
42
3 : 4
68 %
1 : 2
B
55
6 : 5
75 %
3 : 2
C
64
7 : 9
85 %
2 : 3
D
36
5 : 4
82 %
4 : 3
E
48
7 : 5
76 %
7 : 5
Find the difference between the total sold item1 of company B and D together to that of total sold item2 of company C and E together?
Directions (Q. 16 – 20) Study the following information carefully and answer the given questions:
Following table shows the total production of 2 different items (Item1 and Item2) in 5 different companies and the ratio of production of Item1 and Item2 and the percentage of sold items and the ratio of sold item1 and item2 in the year 2017.
Total production
(In lakhs)
(Production)
I1 : I2
Sold %
(Sold)
I1 : I2
A
42
3 : 4
68 %
1 : 2
B
55
6 : 5
75 %
3 : 2
C
64
7 : 9
85 %
2 : 3
D
36
5 : 4
82 %
4 : 3
E
48
7 : 5
76 %
7 : 5
Told sold items of Company A and B together is approximately what percentage more/less than the total sold items of Company C and D together?
Correct
Answer a
Told sold items of Company A and B together
= > 42*(68/100) + 55*(75/100)
= > 28.56 + 41.25 = 69.81 lakhs
Total sold items of Company C and D together
= > 64*(85/100) + 36*(82/100)
= > 54.40 + 29.52 = 83.92 lakhs
Required % = [(83.92 – 69.81)/83.92]*100 = 17 % less
Incorrect
Answer a
Told sold items of Company A and B together
= > 42*(68/100) + 55*(75/100)
= > 28.56 + 41.25 = 69.81 lakhs
Total sold items of Company C and D together
= > 64*(85/100) + 36*(82/100)
= > 54.40 + 29.52 = 83.92 lakhs
Required % = [(83.92 – 69.81)/83.92]*100 = 17 % less
Click “Start Quiz” to attend these Questions and view Solutions
Directions (Q. 1 – 5): What value should come in the place of question mark (?) in the following questions?
? % of 2500 = 42 % of 4650 + 887
134.8
142.5
189.4
113.6
None of these
(4/15) of 8550 + (3/19) of 7182 =? × 3
1138
1275
1354
925
1476
√5625 ÷ 5 × 15^{2} + 57 =? + 16005 ÷ 11
2565
2391
1977
2153
None of these
(11/25) of (125/77) of 490 =?^{2} + 125
27
15
32
45
None of these
25 % of 5200 + 24^{2} ÷ 8 × 3 + 19^{2} =?
1877
2153
2045
1668
None of these
Directions (Q. 6 – 10): What value should come in the place of question mark (?) in the following number series?
1072, 1116, 1152, 1179 , 1196, ?
1284
1259
1263
1208
1202
124, 1455, ? , 1069, 944, 971
841
775
726
812
878
1252, 626, 939, 2347.5, ?
8216.25
6578.5
7254.5
7782.25
8045.75
12, 14, 31, 97, 393, ?
856
912
724
1971
1567
356, 176, 86, 41, ? , 7.25
24.25
18.5
21.75
26.25
12.5
A sum of money is divided among A, B and C in the ratio of 3: 5: 6. If C gives Rs. 20 to B and B gives to A half of what has now, then A has Rs. 20 less than C. The sum of money divided among them is?
Rs.2200
Rs.1800
Rs.1400
Rs.2500
None of these
Two metro trains each 150 m long are moving in opposite directions. They cross each other in 10 seconds. If one is moving twice as fast the other, the speed of the faster metro train is?
64 km/hr
72 km/hr
56 km/hr
66 km/hr
None of these
P, Q and R started a business by investing Rs. 15000, Rs. 20000 and Rs. 30000 respectively. After 6 months, P invested Rs. 10000 more. And after 3 months, R withdraws 30 % of initial investment. Find the share of R, if the total profit at the end of the year is Rs. 94850?
RS.42350
Rs.40300
Rs.36500
Rs.38850
None of these
A shopkeeper allowed 25% discount on an item on the marked price and he suffered a loss of 10%. What would the profit percentage if he allows only 10% discount?
8 %
12 %
14 %
17 %
None of these
Difference between Simple interest and Compound interest on a certain sum at the rate of 12 % per annum for two years is Rs. 648. Find the simple interest on that sum at the rate of 15% per annum for 5 years?
Rs.29640
Rs.27820
Rs.33750
Rs.31560
None of these
Directions (Q. 16 – 20) Study the following information carefully and answer the given questions:
Following table shows the total production of 2 different items (Item1 and Item2) in 5 different companies and the ratio of production of Item1 and Item2 and the percentage of sold items and the ratio of sold item1 and item2 in the year 2017.
Total production
(In lakhs)
(Production)
I1 : I2
Sold %
(Sold)
I1 : I2
A
42
3 : 4
68 %
1 : 2
B
55
6 : 5
75 %
3 : 2
C
64
7 : 9
85 %
2 : 3
D
36
5 : 4
82 %
4 : 3
E
48
7 : 5
76 %
7 : 5
Find the average number of items sold by the companies A, B and D together?
33.11 lakhs
36.48 lakhs
30.24 lakhs
28.56 lakhs
None of these
Find the ratio of total production of Item2 of companies B and D together to that of total production of Item1 of companies A and E together?
35 : 39
24 : 35
41 : 46
52 : 57
None of these
Total sold item1 of Company A is what percentage of total sold item2 of company C?
18.29 %
29.16 %
26.25 %
15.5 %
None of these
Find the difference between the total sold item1 of company B and D together to that of total sold item2 of company C and E together?
516200
489400
503700
622000
None of these
Told sold items of Company A and B together is approximately what percentage more/less than the total sold items of Company C and D together?
17 % less
25 % more
25 % less
17 % more
10 % more
Answers:
Directions (Q. 1 – 5):
1.Answer d
(x/100)*2500 = (42/100)*4650 + 887
25x = 1953 + 887
25x = 2840
X = (2840/25) = 113.6
2.Answer a
(4/15)*8550 + (3/19)*7182 = 3x
2280 + 1134 = 3x
3414 = 3x
X = 3414/3 = 1138
3.Answer c
(75*15*15)/5 + 57 = x + (16005/11)
3375 + 57 – 1455 = x
X = 1977
4.Answer b
(11/25)*(125/77)*490 = x^{2} + 125
350 – 125 = x^{2}
X^{2} = 225
X = 15
5.Answer a
(25/100)*5200 + (24*24*3)/8 + 361 = x
1300 + 216 + 361 = x
X = 1877
Directions (Q. 6 – 10):
6.Answer e
The difference of difference is, 8, 9, 10, 11,..
The answer is, 1202
7.Answer c
The pattern is, + 11^{3}, – 9^{3}, + 7^{3}, – 5^{3}, + 3^{3},..
The answer is, 726
8.Answer a
The pattern is, *1/2, *3/2, *5/2, *7/2,..
The answer is, 8216.25
9.Answer d
The pattern is, *1 + 2, *2 + 3, *3 + 4, *4 + 5, *5 + 6,…
The answer is, 1971
10.Answer b
The pattern is, – 4 ÷ 2
The answer is, 18.5
11.Answer c
The ratio of amount of A, B and C = 3: 5: 6 (3x, 5x, 6x)