(Study Materials) Numerical Ability/Quantitative Aptitude : Decimal Fraction - MCQ

1. If 2805 ¸ 2.55 = 1100, then 280.5 ¸ 25.5 is:
1. 111
2. 1.1
3. 0.11
4. 11
5. 1.11

2. The value of 213 + 2.013 + 0.213 + 2.0013 is:
1. 217.2273
2. 21.8893
3. 217.32
4. 3.217.32
5. None of these

3. The numerator of a non-zero rational number is five less than the denominator. If the denominator is increased by eight and the numerator is doubled, then again we get the same rational number. The required rational number is:
1. 1/8
2. 4/9
3. 2/8
4. 3/8
5. 3/8

4. What will be the approximate value of 779.5 × 5 – 46.5 × 19 – 9?
1. 10800
2. 18008
3. 10080
4. 10008
5. 18080

5. A fraction becomes 2 when 1 is added to both the numerator and the denominator and it becomes 3 when 1 is subtracted from both numerator and denominator. The numerator of the given fraction is:
1. 7
2. 5
3. 3
4. 8
5. 6

6. What approximate value should come in place of z in the following question? 242 + 2.42 + 0.242 + 0.0242 = z
1. 670
2. 575
3. 580
4. 585
5. 680

7. What should come in place of the question mark (?) in the following question?
248.8 – 190.48 + 68.08 = ?
1. 126.4
2. 127.4
3. 128.4
4. 124.6
5. 126.4

8. Find a fraction such that if 1 is added to the denominator it reduces to ½ and reduces to 3/5 on adding 2 to the numerator.
1. 12/25
2. 13/25
3. 11/13
4. 11/25
5. 14/25

9. xy is a number that is divided by ab where xy < ab and gives a result 0. xyxyxy... then ab equals:
1. 77
2. 33
3. 99
4. 66
5. 88