Simplification (Railway Maths) (51 to 100)

Total Questions: 50

11. The square root of 5776 is: [RRB ALP Tier - I 14/08/2018 (Morning) ]

Correct Answer: (a) 76
Solution:

12. The reciprocal of the value of 3 × 1/12 − [1 − 3/4 + {2 1/2 − (1/2 − 1/3)}] is. [RRB ALP Tier - I 29/08/2018 (Afternoon) ]

Correct Answer: (d) 2/3
Solution:

13. 1/300 written as a recurring decima is: [RRB ALP Tier - I 29/08/2018 (Evening) ]

Correct Answer: (b)
Solution:

14. x = 0.5747474, find the fractional value of x? [RPF Constable 17/01/2019 (Morning) ]

Correct Answer: (c) 569/990
Solution:

15. Convert 36 cm to km. [Group D 17/08/2022 (Morning) ]

Correct Answer: (a) 0.00036 km
Solution:

16. Which of the following options is the closest approximate value which will come in place of question mark (?) in the following equation?

25.19 × 3 + 4.41 − 0.9 = ?

Correct Answer: (d) 79
Solution:

17. The value of 27 ÷ 3 − 27 × 0 + 1 =? [Group D 17/08/2022 (Morning)]

Correct Answer: (d) 10
Solution:

27 ÷ 3 - 27 × 0 + 1 = 9 - 0 + 1 = 10

18. The value of 0.6 + (√0.81 − (√0.0144 + 0.4 ÷ 0.5)) is: [Group D 17/08/2022 (Morning)]

Correct Answer: (d) 0.58
Solution:

0.6 + (√0.81 − (√0.0144 + 0.4 ÷ 0.5))
= 0.6 + (0.9 − (0.12 + 0.8))
= 0.6 + (0.9 − 0.92)
= 0.58

19. 6124.8 × 625.5 × 0.0043 is equal in value to: [Group D 17/08/2022 (Afternoon) ]

Correct Answer: (a) 61.248 x 6255 x 0.043
Solution:

Total number of digits after the decimal point = 6
6124.8 × 625.5 × 0.0043
= 61.248 × 6255 × 0.043

20. Simplify: (3²)³ + (2³)²? [Group D 17/08/2022 (Afternoon)]

Correct Answer: (b) 793
Solution: