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 =?**

6500 | |

6000 | |

6300 | |

5700 | |

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 =?**

700 | |

600 | |

900 | |

250 | |

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 = ?**

450 | |

320 | |

210 | |

280 | |

350 |

Question 4 |

**(21.98)**

^{2}– (25.02)^{2}+ (13.03)^{2}= ?25 | |

120 | |

10 | |

65 | |

140 |

Question 5 |

67.99% of 1401 – 13.99% of 1299 = ?

700 | |

720 | |

770 | |

800 | |

740 |

Question 6 |

**5466.97 – 3245.01 + 1122.99 =? + 2309.99**

1130 | |

1000 | |

1100 | |

1030 | |

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 =?**

1080 | |

1280 | |

1180 | |

1130 | |

1230 |

Question 8 |

**(4.99)**

^{3}+ (29.98)^{2}– (3.01)^{4}= ?550 | |

590 | |

620 | |

650 | |

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 =?**

3200 | |

2700 | |

3000 | |

2500 | |

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}= ? – 1800 | |

1450 | |

– 1660 | |

1660 | |

–1450 |

Question 11 |

**441.01 – 232.99 + 1649.99 =? + 1225.92**

600 | |

630 | |

660 | |

690 | |

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}= ?18 | |

22 | |

26 | |

30 | |

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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