Numerical Ability Test Questions and Answers Online – Page 3

Numerical Ability Test Questions and Answers Online – Page 2

Numerical Aptitude 3

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Question 1
Directions: What approximate value will come in place of question mark (?) inthe following questions (You are not expected to calculate the exact value).  9228.789 – 5021.832 + 1496.989 =?
A
6500
B
6000
C
6300
D
5700
E
5100
Question 1 Explanation: 
Having a glance at the given options one can find out that the two nearest values have a difference of 300. So round off the numbers to the nearest ten’s values. 9228.789 ≅ 9230; 5021.832 ≅ 5020 and 1496.989 ≅ 1500 Now the equation will become 9230 – 5020 + 1500 =? => ? = 5710 But the nearest value is 5700. [Note: Even rounding of the numbers to nearest hundred places gives the same answer]
Question 2
1002 ÷ 49 × 99 – 1299 =?
A
700
B
600
C
900
D
250
E
400
Question 2 Explanation: 
Here also the two nearest values have a difference of 150 (250 and 400). So the number can be rounded off to the nearest ten’s places. 1002 ≅ 1000; 49 ≅ 50; 99 ≅ 100 and 1299 ≅ 1300 Now the equation will become 1000 ÷ 50 × 100 – 1300 = ? => 20 × 100 – 1300 = ? => 2000 – 1300 = ? ? = 700
Question 3
29.8% of 260 + 60.01% of 510 – 103.57 = ?
A
450
B
320
C
210
D
280
E
350
Question 4
(21.98)2 – (25.02)2 + (13.03)2 = ?
A
25
B
120
C
10
D
65
E
140
Question 5
67.99% of 1401 – 13.99% of 1299 = ?
A
700
B
720
C
770
D
800
E
740
Question 6
5466.97 – 3245.01 + 1122.99 =? + 2309.99
A
1130
B
1000
C
1100
D
1030
E
1060
Question 6 Explanation: 
5466.97 ≅ 5470; 3245.01 ≅ 3250; 1122.99 ≅1120 and 2309.99 ≅ 2310 Now the equation will become 5470 – 3250 + 1120 = ? + 2310 => ? = 2220 + 1120 = 2310 => ? = 3340 – 2310 = 1030
Question 7
5998 ÷ 9.98 + 670.99 – 139.99 =?
A
1080
B
1280
C
1180
D
1130
E
1230
Question 8
(4.99)3 + (29.98)2 – (3.01)4 = ?
A
550
B
590
C
620
D
650
E
690
Question 8 Explanation: 
(4.99)3 ≅ 53; (29.98)2 ≅ 302 and (3.01)4 ≅ 34 Now the equation will become – 53 + 302 – 34 = ? => ? = – 125 + 900 – 81 =>? = 775 – 81 = 694 The nearest value is 690
Question 9
499.99 + 1999 ÷ 39.99 × 50.01 =?
A
3200
B
2700
C
3000
D
2500
E
2400
Question 9 Explanation: 
499.99 ≅ 500; 1999 ≅ 2000; 39.99 ≅ 40; 50.01 ≅ 50 Now the equation will become 500 + 2000 ÷ 40 × 50 = ? => ? = 500 + 50 × 50 = 500 + 2500 = 3000
Question 10
[(7.99)2 – (13.001)2 + (4.01)3]2 = ?
A
– 1800
B
1450
C
– 1660
D
1660
E
–1450
Question 11
441.01 – 232.99 + 1649.99 =? + 1225.92
A
600
B
630
C
660
D
690
E
720
Question 11 Explanation: 
441.01 ≅ 441; 232.99 ≅ 233; 1649.99 ≅ 1650; 1225.92 ≅ 1226 The equation will become 441 – 233 + 1650 = ? + 1226 ? = 1858 – 1226 = 632 The nearest value is 630
Question 12
(21.5% of 999)1/3 + (42% of 601)1/2 = ?
A
18
B
22
C
26
D
30
E
33
Question 12 Explanation: 
(21.5% of 999)1/3 ≅ (21.5% of 1000)1/3 ≅ (215)1/3 ≅ (216)1/3 = 6 (42% of 601)1/2 ≅ (42% of 600)1/2 ≅ (252)1/2 ≅ 16 ? = 6 + 16 = 22
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