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(11/110)*54330 + (6.5/13)* 280 + (56/8) – 31*5 = x
X = 5433 + 140 + 7 – 155
X = 5425
Incorrect
Answer d
(11/110)*54330 + (6.5/13)* 280 + (56/8) – 31*5 = x
X = 5433 + 140 + 7 – 155
X = 5425
Question 4 of 20
4. Question
Directions (Q. 1 – 5): What approximate value should come in place of question mark (?) in the following questions?
1681 ÷ ? + 172.8 × 1.89 = 642.2 – 256. 48
Correct
Answer c
(1680/x) + 173*2 = 642 – 256
(1680/x) + 346 = 386
(1680/x) = 40
X= 1680/40 = 42
Incorrect
Answer c
(1680/x) + 173*2 = 642 – 256
(1680/x) + 346 = 386
(1680/x) = 40
X= 1680/40 = 42
Question 5 of 20
5. Question
Directions (Q. 1 – 5): What approximate value should come in place of question mark (?) in the following questions?
15.85 % of 49.12 + 24.75 % of 50.20 = ?
Correct
Answer b
(16/100)*50 + (25/100)*50 = x
8 + 13 = x
X = 21
Incorrect
Answer b
(16/100)*50 + (25/100)*50 = x
8 + 13 = x
X = 21
Question 6 of 20
6. Question
Directions (Q. 6 – 10): What value should come in place of question mark (?) in the following number series?
5, 40, 280, 1680, ? , 33600
Correct
Answer c
The pattern is, *8, *7, *6, *5, *4,..
The answer is, 8400
Incorrect
Answer c
The pattern is, *8, *7, *6, *5, *4,..
The answer is, 8400
Question 7 of 20
7. Question
Directions (Q. 6 – 10): What value should come in place of question mark (?) in the following number series?
728, 746, 767, 791, 818, ?
Correct
Answer d
The difference of difference is, 3,3,3,3,..
The answer is, 848
Incorrect
Answer d
The difference of difference is, 3,3,3,3,..
The answer is, 848
Question 8 of 20
8. Question
Directions (Q. 6 – 10): What value should come in place of question mark (?) in the following number series?
9, 41, 169, 681, ?
Correct
Answer a
The pattern is, *4 + 5
The answer is, 2729
Incorrect
Answer a
The pattern is, *4 + 5
The answer is, 2729
Question 9 of 20
9. Question
Directions (Q. 6 – 10): What value should come in place of question mark (?) in the following number series?
5, 35, 210, 1470, 8820, ?
Correct
Answer b
The pattern is, *7, *6(alternatively)
The answer is, 61740
Incorrect
Answer b
The pattern is, *7, *6(alternatively)
The answer is, 61740
Question 10 of 20
10. Question
Directions (Q. 6 – 10): What value should come in place of question mark (?) in the following number series?
9876, ? , 10021, 10121, 10242, 10386
Correct
Answer a
The difference is, 8^{2}, 9^{2}, 10^{2}, 11^{2}, 12^{2},..
The answer is, 9940
Incorrect
Answer a
The difference is, 8^{2}, 9^{2}, 10^{2}, 11^{2}, 12^{2},..
The answer is, 9940
Question 11 of 20
11. Question
The average score of 52 students of a class is 86. If the last five students are removed, the average drops by 5 marks. If the five least marks are consecutive increasing integers, then find the highest score.
Correct
Answer c
The average score of 52 students = 86
Total score of 45 students = 52*86 = 4472
If the last five students are removed, the average drops by 5 marks.
So,
The average score of 47 students = 81
Total score of 40 students = 47*81 = 3807
X+ (x+1) + (x+2) + (x+3) + (x+4) = 665
5x + 10 = 665
5x = 655
X = 131
Highest score = 131+4 = 135
Incorrect
Answer c
The average score of 52 students = 86
Total score of 45 students = 52*86 = 4472
If the last five students are removed, the average drops by 5 marks.
So,
The average score of 47 students = 81
Total score of 40 students = 47*81 = 3807
X+ (x+1) + (x+2) + (x+3) + (x+4) = 665
5x + 10 = 665
5x = 655
X = 131
Highest score = 131+4 = 135
Question 12 of 20
12. Question
If the difference between the simple interest and compound interest on certain sum for 2 years at 5 % is 25.40, then find the sum?
Correct
Answer d
The difference between the simple interest and compound interest for 2 years is,
Diff = sum*(r/100)^{2}
25.40 = sum*(5/100)^{2}
25.40 = sum*(25/10000)
Sum = 254000/25 = 10160
Incorrect
Answer d
The difference between the simple interest and compound interest for 2 years is,
Diff = sum*(r/100)^{2}
25.40 = sum*(5/100)^{2}
25.40 = sum*(25/10000)
Sum = 254000/25 = 10160
Question 13 of 20
13. Question
A and B entered into a partnership and invested an amount of 25000 and 35000 respectively. After 3 months, A withdraws 2/3 of the capital and at the same time B invested 5000 more. And after 3 months, C entered into a partnership with an investment of 30000. Find the share of B, if the total profit at the end of the year is Rs. 54060?
Three pipes A, B and C can fill a tank in 8 hours. After working at it together for 3 hours, C is closed and A and B can fill the remaining part in 6 hours. How much time taken by C to fill the tank alone?
Correct
Answer b
Three pipes A, B and C can fill a tank in 8 hours.
A, B and C’s 1 hour work=1/8
A, B and C’s 3 hour work= 3/8
Remaining work= 1-3/8 =5/8
The remaining part will be filled by A and B in 6 hours. Then,
= > (5/8) *(A+B) = 6
= > (A+B)’s whole work= 48/5 hr
(A+B)’s 1 hour work= 5/48
A, B and C’s 1 hour work=1/8
C’s 1 hour work= (A+B+C) – (A+B)
= > (1/8) – (5/48)
= > 1/48
C can fill the tank in 48 hours.
Incorrect
Answer b
Three pipes A, B and C can fill a tank in 8 hours.
A, B and C’s 1 hour work=1/8
A, B and C’s 3 hour work= 3/8
Remaining work= 1-3/8 =5/8
The remaining part will be filled by A and B in 6 hours. Then,
= > (5/8) *(A+B) = 6
= > (A+B)’s whole work= 48/5 hr
(A+B)’s 1 hour work= 5/48
A, B and C’s 1 hour work=1/8
C’s 1 hour work= (A+B+C) – (A+B)
= > (1/8) – (5/48)
= > 1/48
C can fill the tank in 48 hours.
Question 15 of 20
15. Question
Find the volume of a cylinder whose radius is half of the radius of a circle having area 5544cm^{2}. Height of the cylinder is double its radius.
Correct
Answer b
πr^{2} = 5544
=> (22/7)* r^{2} = 5544
=> r^{2} = 5544 x 7/22
=> r^{2} = 1764
=> r = 42 cm
Radius of the cylinder = 42/2 = 21cm
Height of the cylinder = 21*2 = 42cm
Volume of the cylinder = πr^{2}h = (22/7)*21*21*42 = 58212cm^{3}
Incorrect
Answer b
πr^{2} = 5544
=> (22/7)* r^{2} = 5544
=> r^{2} = 5544 x 7/22
=> r^{2} = 1764
=> r = 42 cm
Radius of the cylinder = 42/2 = 21cm
Height of the cylinder = 21*2 = 42cm
Volume of the cylinder = πr^{2}h = (22/7)*21*21*42 = 58212cm^{3}
Question 16 of 20
16. Question
Directions (Q. 16 – 20) Study the following table carefully and answer the given questions:
Following table shows the no of mobile phones (in lakhs) manufactured by four different companies in different years.
Year
Company A
Company B
Company C
Company D
2011
35
27
22
31
2012
19
26
29
42
2013
36
24
18
25
2014
44
34
14
24
2015
31
23
20
28
2016
43
37
27
17
Total no of mobile phones manufactured by Company C in all the given years is approximately what percentage more/less than the total no of mobile phones manufactured by Company B in all the given years?
Correct
Answer a
Total no of mobile phones manufactured by Company C in all the given years
= > 22 + 29 + 18 + 14 + 20 + 27
= > 130 lakhs
Total no of mobile phones manufactured by Company B in all the given years
Directions (Q. 16 – 20) Study the following table carefully and answer the given questions:
Following table shows the no of mobile phones (in lakhs) manufactured by four different companies in different years.
Year
Company A
Company B
Company C
Company D
2011
35
27
22
31
2012
19
26
29
42
2013
36
24
18
25
2014
44
34
14
24
2015
31
23
20
28
2016
43
37
27
17
If in the year 2017, total manufacturing of Company A, B, C and D be increased by 12 %, 14 %, 18 %, 21 % while comparing with the previous year, then find the total manufacturing of all the given companies together in the year 2017?
Correct
Answer d
In the year 2017, total manufacturing of Company A, B, C and D,
Directions (Q. 16 – 20) Study the following table carefully and answer the given questions:
Following table shows the no of mobile phones (in lakhs) manufactured by four different companies in different years.
Year
Company A
Company B
Company C
Company D
2011
35
27
22
31
2012
19
26
29
42
2013
36
24
18
25
2014
44
34
14
24
2015
31
23
20
28
2016
43
37
27
17
Find the ratio between the total manufacturing of company A in the year 2012, 2014, 2015, 2016 together and to that of Company D in the year 2011, 2013, 2015, 2016 together?
Correct
Answer a
The total manufacturing of company A in the year 2012, 2014, 2015, 2016
= > 19 + 44 + 31 + 43
= > 137 lakhs
The total manufacturing of company D in the year 2011, 2013, 2015, 2016
= > 31 + 25 + 28 + 17
= > 101 lakhs
Required ratio = 137: 101
Incorrect
Answer a
The total manufacturing of company A in the year 2012, 2014, 2015, 2016
= > 19 + 44 + 31 + 43
= > 137 lakhs
The total manufacturing of company D in the year 2011, 2013, 2015, 2016
= > 31 + 25 + 28 + 17
= > 101 lakhs
Required ratio = 137: 101
Question 19 of 20
19. Question
Directions (Q. 16 – 20) Study the following table carefully and answer the given questions:
Following table shows the no of mobile phones (in lakhs) manufactured by four different companies in different years.
Year
Company A
Company B
Company C
Company D
2011
35
27
22
31
2012
19
26
29
42
2013
36
24
18
25
2014
44
34
14
24
2015
31
23
20
28
2016
43
37
27
17
The average no of mobile phones manufactured by all the given companies in the year 2013 is approximately what percentage of the average no of mobile phones manufactured by all the given companies in the year 2016?
Correct
Answer b
The average no of mobile phones manufactured by all the given companies in the year 2013
= > (36 + 24 + 18 + 25)/4
= > (103/4) lakhs
The average no of mobile phones manufactured by all the given companies in the year 2016
Directions (Q. 16 – 20) Study the following table carefully and answer the given questions:
Following table shows the no of mobile phones (in lakhs) manufactured by four different companies in different years.
Year
Company A
Company B
Company C
Company D
2011
35
27
22
31
2012
19
26
29
42
2013
36
24
18
25
2014
44
34
14
24
2015
31
23
20
28
2016
43
37
27
17
Find the difference between the total no of mobile phones manufactured by all the given companies in the year 2011 and 2012 to that of total no of mobile phones manufactured by all the given companies in the year 2014 and 2015 together?
Correct
Answer c
The total no of mobile phones manufactured by all the given companies in the year 2011 and 2012
Directions (Q. 6 – 10): What value should come in place of question mark (?) in the following number series?
5, 40, 280, 1680, ? , 33600
6600
9200
8400
14560
18720
728, 746, 767, 791, 818, ?
856
872
904
848
864
9, 41, 169, 681, ?
2729
1785
1432
1974
2116
5, 35, 210, 1470, 8820, ?
53460
61740
48520
36480
59140
9876, ? , 10021, 10121, 10242, 10386
9940
9942
9916
9898
9924
The average score of 52 students of a class is 86. If the last five students are removed, the average drops by 5 marks. If the five least marks are consecutive increasing integers, then find the highest score.
125
129
135
142
153
If the difference between the simple interest and compound interest on certain sum for 2 years at 5 % is 25.40, then find the sum?
11520
13780
12450
10160
14920
A and B entered into a partnership and invested an amount of 25000 and 35000 respectively. After 3 months, A withdraws 2/3 of the capital and at the same time B invested 5000 more. And after 3 months, C entered into a partnership with an investment of 30000. Find the share of B, if the total profit at the end of the year is Rs. 54060?
31620
28560
26740
33410
24370
Three pipes A, B and C can fill a tank in 8 hours. After working at it together for 3 hours, C is closed and A and B can fill the remaining part in 6 hours. How much time taken by C to fill the tank alone?
36 hours
48 hours
30 hours
32 hours
None of these
Find the volume of a cylinder whose radius is half of the radius of a circle having area 5544cm^{2}. Height of the cylinder is double its radius.
48202cm^{3}
58212cm^{3}
48212cm^{3}
58202cm^{3}
None of these
Directions (Q. 16 – 20) Study the following table carefully and answer the given questions:
Following table shows the no of mobile phones (in lakhs) manufactured by four different companies in different years.
Year
Company A
Company B
Company C
Company D
2011
35
27
22
31
2012
19
26
29
42
2013
36
24
18
25
2014
44
34
14
24
2015
31
23
20
28
2016
43
37
27
17
Total no of mobile phones manufactured by Company C in all the given years is approximately what percentage more/less than the total no of mobile phones manufactured by Company B in all the given years?
24 % less
32 % more
32 % less
24 % more
None of these
If in the year 2017, total manufacturing of Company A, B, C and D be increased by 12 %, 14 %, 18 %, 21 % while comparing with the previous year, then find the total manufacturing of all the given companies together in the year 2017?
13452000
15783000
16894000
14277000
None of these
Find the ratio between the total manufacturing of company A in the year 2012, 2014, 2015, 2016 together and to that of Company D in the year 2011, 2013, 2015, 2016 together?
137 : 101
125 : 98
113 : 87
102 : 75
None of these
The average no of mobile phones manufactured by all the given companies in the year 2013 is approximately what percentage of the average no of mobile phones manufactured by all the given companies in the year 2016?
74 %
83 %
92 %
107 %
94 %
Find the difference between the total no of mobile phones manufactured by all the given companies in the year 2011 and 2012 to that of total no of mobile phones manufactured by all the given companies in the year 2014 and 2015 together?
16 lakhs
21 lakhs
13 lakhs
23 lakhs
None of these
Answers:
Directions (Q. 1 – 5):
Answer c
(1000/50)*100 – 1300 = x + (35/100)*600
2000 – 1300 = x + 210
700 – 210 = x
X = 490
Answer a
6892 + 3 + (780/12) = (13526/8) + x
6892 + 3 + 65 – 1691 = x
X = 5269 = 5270
Answer d
(11/110)*54330 + (6.5/13)* 280 + (56/8) – 31*5 = x
X = 5433 + 140 + 7 – 155
X = 5425
Answer c
(1680/x) + 173*2 = 642 – 256
(1680/x) + 346 = 386
(1680/x) = 40
X= 1680/40 = 42
Answer b
(16/100)*50 + (25/100)*50 = x
8 + 13 = x
X = 21
Directions (Q. 6 – 10):
Answer c
The pattern is, *8, *7, *6, *5, *4,..
The answer is, 8400
Answer d
The difference of difference is, 3,3,3,3,..
The answer is, 848
Answer a
The pattern is, *4 + 5
The answer is, 2729
Answer b
The pattern is, *7, *6(alternatively)
The answer is, 61740
Answer a
The difference is, 8^{2}, 9^{2}, 10^{2}, 11^{2}, 12^{2},..
The answer is, 9940
Answer c
The average score of 52 students = 86
Total score of 45 students = 52*86 = 4472
If the last five students are removed, the average drops by 5 marks.
So,
The average score of 47 students = 81
Total score of 40 students = 47*81 = 3807
X+ (x+1) + (x+2) + (x+3) + (x+4) = 665
5x + 10 = 665
5x = 655
X = 131
Highest score = 131+4 = 135
Answer d
The difference between the simple interest and compound interest for 2 years is,