Quantitative Aptitude Scoring Part (Day81):
Dear Readers, Nowadays most of the aspirants were facing huge trouble to increase the overall marks. You could practice quantitative test online here and learn new tricks. To score high you need to practice more and more standard questions daily.“Practice does not make perfect, Only Perfect Practice makes perfect”.
Here in Scoring Part we are providing 10 Questions in simplification, 10 Questions in Approximation, 5 Questions in number Series and 5 Questions in Quadratic Equations, total 30 questions in 20 Minutes. By practicing these questions regularly you can increase you calculation speed and it will help you to increase you score.
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Quantitative Aptitude Scoring Part Day81
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Question 1 of 30Directions (Q. 110): What approximate value should come in place of the question mark (?) in the following Questions?1. 8537 2416.005 – 221.996 =?Explanation:
Correct Answer is: B)
? = 8537 – 2416 – 222
? = 5899 ≈ 5900
Explanation:
Correct Answer is: B)
? = 8537 – 2416 – 222
? = 5899 ≈ 5900

Question 2 of 30Directions (Q. 110): What approximate value should come in place of the question mark (?) in the following Questions?2. 1019.99 ÷60.007 =?Explanation:
Correct Answer is: C)
? ≈1020 / 60 = 17
Explanation:
Correct Answer is: C)
? ≈1020 / 60 = 17

Question 3 of 30Directions (Q. 110): What approximate value should come in place of the question mark (?) in the following Questions?3. 111111÷ 1111÷ 11 = ?Explanation:
Correct Answer is: D)
? = 111111/1111 = 100 / 11 = 9. 09
Explanation:
Correct Answer is: D)
? = 111111/1111 = 100 / 11 = 9. 09

Question 4 of 30Directions (Q. 110): What approximate value should come in place of the question mark (?) in the following Questions?4. ^{3}√5000 = ?Explanation:
Correct Answer is: E)
? = ^{3}√5000 ≈ 17
Explanation:
Correct Answer is: E)
? = ^{3}√5000 ≈ 17

Question 5 of 30Directions (Q. 110): What approximate value should come in place of the question mark (?) in the following Questions?5. 16.001 x 30.999 x 8.998=?Explanation:
Correct Answer is: A)
? ≈ 16 x 31 x 9 = 4464
? ≈ 4450
Explanation:
Correct Answer is: A)
? ≈ 16 x 31 x 9 = 4464
? ≈ 4450

Question 6 of 30Directions (Q. 110): What approximate value should come in place of the question mark (?) in the following Questions?6. 15÷12.5×35+42.8×2.5=?²+10²Explanation:
Correct Answer is: E)
?²+10² = 15/12.5 × 35 + 42.5 × 2.5
?² = 42 + 106.25 – 100 = 48
? = √48 = 6.9 ≈ 7
Explanation:
Correct Answer is: E)
?²+10² = 15/12.5 × 35 + 42.5 × 2.5
?² = 42 + 106.25 – 100 = 48
? = √48 = 6.9 ≈ 7

Question 7 of 30Directions (Q. 110): What approximate value should come in place of the question mark (?) in the following Questions?7. (7702 / 43.96) + 25.11 × 45.88 = ? × 15Explanation:
Correct Answer is: A)
175 + 1150 = ? × 15
? = 1325/15 = 88.33
? ≈ 88
Explanation:
Correct Answer is: A)
175 + 1150 = ? × 15
? = 1325/15 = 88.33
? ≈ 88

Question 8 of 30Directions (Q. 110): What approximate value should come in place of the question mark (?) in the following Questions?8. 71.98% of 1200 + 35.06% of 270 = ?% of 600Explanation:
Correct Answer is: E)
72/100 × 1200 + 35/100 × 270 = ?/100 × 600
? × 6 = 72 × 12 + 35 × 2.7
? = (864 + 105)/6 = 969/6 = 161.5 ≈ 160
Explanation:
Correct Answer is: E)
72/100 × 1200 + 35/100 × 270 = ?/100 × 600
? × 6 = 72 × 12 + 35 × 2.7
? = (864 + 105)/6 = 969/6 = 161.5 ≈ 160

Question 9 of 30Directions (Q. 110): What approximate value should come in place of the question mark (?) in the following Questions?9. 24.98^{2} × [16.02^{2} / (7.98 × 15.04)] × 38.93 = 130 × ?^{2}Explanation:
Correct Answer is: E)
25^{2} × [16^{2} / (8 × 15)] × 39 = 130 × ?^{2}
?^{2} = 25 × 16 = 400
? = 20
Explanation:
Correct Answer is: E)
25^{2} × [16^{2} / (8 × 15)] × 39 = 130 × ?^{2}
?^{2} = 25 × 16 = 400
? = 20

Question 10 of 30Directions (Q. 110): What approximate value should come in place of the question mark (?) in the following Questions?10. 2775 × 160/√? = 5550Explanation:
Correct Answer is: A)
√? = (2775 × 160) / 5550
? = 80 × 80 = 6400
Explanation:
Correct Answer is: A)
√? = (2775 × 160) / 5550
? = 80 × 80 = 6400

Question 11 of 30Directions (1120): What value should come in place of the x in the following questions?11. 2.6× 1.5+3.4 ×1.2 – 1.8 ×2.5 = ?Explanation:
Correct Answer is: D)
? = 2.6 × 1.5 + 3.4 × 1.2 – 1.8 × 2.5
? = 3.9 + 4.08 – 4.5
? = 3.48
Explanation:
Correct Answer is: D)
? = 2.6 × 1.5 + 3.4 × 1.2 – 1.8 × 2.5
? = 3.9 + 4.08 – 4.5
? = 3.48

Question 12 of 30Directions (1120): What value should come in place of the x in the following questions?12. 156% of 850 – 3/5 of 280 + 85% of 440 =?Explanation:
Correct Answer is: D)
?= 156/100 × 850 – 3/5×280 + 85/100 × 440
?= 156 × 8.5 – 3×56 + 85×4.4
? = 1326 – 168 + 374
? = 1532
Explanation:
Correct Answer is: D)
?= 156/100 × 850 – 3/5×280 + 85/100 × 440
?= 156 × 8.5 – 3×56 + 85×4.4
? = 1326 – 168 + 374
? = 1532

Question 13 of 30Directions (1120): What value should come in place of the x in the following questions?13. 11880 ÷44÷ 18 = ?Explanation:
Correct Answer is: B)
? = 11880 / 44 / 18
? = 270 / 18 = 15
Explanation:
Correct Answer is: B)
? = 11880 / 44 / 18
? = 270 / 18 = 15

Question 14 of 30Directions (1120): What value should come in place of the x in the following questions?14. 4/9 of 3/16 of 6/13 of ? = 155Explanation:
Correct Answer is: D)
4/9 × 3/16 × 6/13 × ? = 155
? = 155 × 26 = 4030
Explanation:
Correct Answer is: D)
4/9 × 3/16 × 6/13 × ? = 155
? = 155 × 26 = 4030

Question 15 of 30Directions (1120): What value should come in place of the x in the following questions?15. (27)^{2} × 6 / 9 + (7)^{3} + 71 = (?)^{3} – 431Explanation:
Correct Answer is: A)
(729 × 6 / 9) + 343+71+431 = ?^{3}
Or, 486 +343+71+431 = ?^{3} à or, ?^{3} = 1331 = (11)^{3}
? = 11
Explanation:
Correct Answer is: A)
(729 × 6 / 9) + 343+71+431 = ?^{3}
Or, 486 +343+71+431 = ?^{3} à or, ?^{3} = 1331 = (11)^{3}
? = 11

Question 16 of 30Directions (1120): What value should come in place of the x in the following questions?16. 321×9/0.8 = √? × 11.25Explanation:
Correct Answer is: C)
√? = (321×9) / (0.8 × 11.25) = 321
? =( 321)^{2}
= 103041
Explanation:
Correct Answer is: C)
√? = (321×9) / (0.8 × 11.25) = 321
? =( 321)^{2}
= 103041

Question 17 of 30Directions (1120): What value should come in place of the x in the following questions?17. 78.54/0.03+22.8/0.81470×1.25 = ?Explanation:
Correct Answer is: A)
? = 2618+28.51837.5
= 809
Explanation:
Correct Answer is: A)
? = 2618+28.51837.5
= 809

Question 18 of 30Directions (1120): What value should come in place of the x in the following questions?18. 44% of 475+72% of 55 = 12.5% of ?Explanation:
Correct Answer is: C)
(12.5×?)/100 = [(44×475)/100] + [(72×55)/100]
= 209+36.9 = 248.6
? = (24860/12.5) = 1988.8
Explanation:
Correct Answer is: C)
(12.5×?)/100 = [(44×475)/100] + [(72×55)/100]
= 209+36.9 = 248.6
? = (24860/12.5) = 1988.8

Question 19 of 30Directions (1120): What value should come in place of the x in the following questions?19. (_{3}√7)^{1/2} / (343)^{1/2} ×(_{3}√7)^{2} = (_{3}√7)^{?}Explanation:
Correct Answer is: B)
(7)^{1/6} / (7)^{3/2} ×(7)^{2/3} = (7)^{1/6+3/2+2/3} = (7)^{7/3}
= (_{3}√7)^{7 }
? = 7
Explanation:
Correct Answer is: B)
(7)^{1/6} / (7)^{3/2} ×(7)^{2/3} = (7)^{1/6+3/2+2/3} = (7)^{7/3}
= (_{3}√7)^{7 }
? = 7

Question 20 of 30Directions (1120): What value should come in place of the x in the following questions?20. 8 5/8× 3 3/23 + 7 1/5 × 4 2/9 = ?Explanation:
Correct Answer is: E)
? = (69/8) × (72/23) + (36/5) × (38/9)
= 27+(152/5) = (135 +152)/5 = 287/5 = 57 2/5
Explanation:
Correct Answer is: E)
? = (69/8) × (72/23) + (36/5) × (38/9)
= 27+(152/5) = (135 +152)/5 = 287/5 = 57 2/5

Question 21 of 30Directions: (21 25): In each of these questions a number series is given. In each series stand out number isn’t right. Discover the wrong number.21. 847, 7629, 68667, 618008, 5562087Explanation:
Correct Answer is: E)
847×9+(2×3)=7629
7629×9+(2×3)=68667
68667×9+(2×3)=618009≠618008
618009×9+(2×3)=5562087
Explanation:
Correct Answer is: E)
847×9+(2×3)=7629
7629×9+(2×3)=68667
68667×9+(2×3)=618009≠618008
618009×9+(2×3)=5562087

Question 22 of 30Directions: (21 25): In each of these questions a number series is given. In each series stand out number isn’t right. Discover the wrong number.22. 7, 104, 1366, 17758, 230867Explanation:
Correct Answer is: B)
7×13+13=104
104×13+13=1365≠1366
1365×13+13=17758
17758×13+13=230867
Explanation:
Correct Answer is: B)
7×13+13=104
104×13+13=1365≠1366
1365×13+13=17758
17758×13+13=230867

Question 23 of 30Directions: (21 25): In each of these questions a number series is given. In each series stand out number isn’t right. Discover the wrong number.23. 3, 68, 1174, 19958, 339303Explanation:
Correct Answer is: C)
3×17+17=68
68×17+17=1173≠1174
1173×17+17=19958
19958×17+17=339303
Explanation:
Correct Answer is: C)
3×17+17=68
68×17+17=1173≠1174
1173×17+17=19958
19958×17+17=339303

Question 24 of 30Directions: (21 25): In each of these questions a number series is given. In each series stand out number isn’t right. Discover the wrong number.24. 8, 99, 1101, 12111, 133232Explanation:
Correct Answer is: C)
8×11+11=99
99×11+11=1100≠1101
1100×11+11=12111
12111×11+11=133232
Explanation:
Correct Answer is: C)
8×11+11=99
99×11+11=1100≠1101
1100×11+11=12111
12111×11+11=133232

Question 25 of 30Directions: (21 25): In each of these questions a number series is given. In each series stand out number isn’t right. Discover the wrong number.25. 543, 577, 627, 696, 781Explanation:
Correct Answer is: C)
543+(17×2)=577
577+(17×3)=628≠627
628+(17×4)=696
696+(17×5)=781
Explanation:
Correct Answer is: C)
543+(17×2)=577
577+(17×3)=628≠627
628+(17×4)=696
696+(17×5)=781

Question 26 of 30Directions (26  30): In each of these questions, two equations (I) and (II) are given. You have to solve both the equations and give answer a) if x > y b) if x < y c) if x ≥ y d) if x ≤ y e) if x = y or relation cannot be established between 'x' and 'y'.26. I. 8x+y=10 II. 4x+2y=13Explanation:
Correct Answer is: B
from both equation
x=7/12, y=16/3
y>x
Explanation:
Correct Answer is: B
from both equation
x=7/12, y=16/3
y>x

Question 27 of 30Directions (26  30): In each of these questions, two equations (I) and (II) are given. You have to solve both the equations and give answer a) if x > y b) if x < y c) if x ≥ y d) if x ≤ y e) if x = y or relation cannot be established between 'x' and 'y'.27. I. (x+3) (y+2)=12 II. 2xy+4x+5y=11Explanation:
Correct Answer is: E
xy+3y+2x +6 =12
2xy+6y+4x=12—(i)
2xy+5y+4x=11 — (ii)
From eq. (i) — (ii)
Y = 1
From eq. (i)
x=1
x = y
Explanation:
Correct Answer is: E
xy+3y+2x +6 =12
2xy+6y+4x=12—(i)
2xy+5y+4x=11 — (ii)
From eq. (i) — (ii)
Y = 1
From eq. (i)
x=1
x = y

Question 28 of 30Directions (26  30): In each of these questions, two equations (I) and (II) are given. You have to solve both the equations and give answer a) if x > y b) if x < y c) if x ≥ y d) if x ≤ y e) if x = y or relation cannot be established between 'x' and 'y'.28. I. (3x2)/y = (3x+6)/(y+16) II.(x+2)/(y+4) = (x+5)/(Y+10)Explanation:
Correct Answer is: B
(3x2)/y = (3x+6)/(y+16)
48x8y = 32 — (i)
(x+2)/(y+4) = (x+5)/(y+10)
y = 2x — (i)
From Equation (i) & (ii)
x=1, y=2
y>x
Explanation:
Correct Answer is: B
(3x2)/y = (3x+6)/(y+16)
48x8y = 32 — (i)
(x+2)/(y+4) = (x+5)/(y+10)
y = 2x — (i)
From Equation (i) & (ii)
x=1, y=2
y>x

Question 29 of 30Directions (26  30): In each of these questions, two equations (I) and (II) are given. You have to solve both the equations and give answer a) if x > y b) if x < y c) if x ≥ y d) if x ≤ y e) if x = y or relation cannot be established between 'x' and 'y'.29. I. x^2+20x+4=5025x II. y^210y24=0Explanation:
Correct Answer is: E
From the given Equation
x=1, 46
& y=2,12
The relation cannot be established between ‘x’ and ‘y’.
Explanation:
Correct Answer is: E
From the given Equation
x=1, 46
& y=2,12
The relation cannot be established between ‘x’ and ‘y’.

Question 30 of 30Directions (26  30): In each of these questions, two equations (I) and (II) are given. You have to solve both the equations and give answer a) if x > y b) if x < y c) if x ≥ y d) if x ≤ y e) if x = y or relation cannot be established between 'x' and 'y'.30. I. (x^210x+16)/(x^2 12x +24) = 2/3 II. y^2y20=0Explanation:
Correct Answer is: E
From 1st equation
x^26x=0
x=0,6
From 2nd equation
(y+4) (y5)
y=4,5
The relation cannot be established between ‘x’ and ‘y’.
Explanation:
Correct Answer is: E
From 1st equation
x^26x=0
x=0,6
From 2nd equation
(y+4) (y5)
y=4,5
The relation cannot be established between ‘x’ and ‘y’.