Simplification (Railway Maths) (151 to 200)

Total Questions: 50

11. The value of 5√6 − √[3(4 − 2)] + (12/√6) is: [Group D 08/09/2022 (Evening)]

Correct Answer: (d) 6√6
Solution:

12. The value of √625 + √0.25 − √0.000025 is: [Group D 08/09/2022 (Evening)]

Correct Answer: (d) 25.495
Solution:

13. The value of 39 ÷ {6 × (6/7 of 7/8)} is: [Group D 09/09/2022 (Morning)]

Correct Answer: (c) 26/3
Solution:

14. The value of (0.1 × 0.001 × 0.0001 × 10⁶) is: [Group D 09/09/2022 (Morning)]

Correct Answer: (d) 1/100
Solution:

15. If 9x = 55² - 35², then the value of x is: [Group D 09/09/2022 (Morning) ]

Correct Answer: (b) 200
Solution:

9x = 55² - 35²
⇒ 9𝑥 = 3025 − 1225
⇒ 9𝑥 = 1800 ⇒ 𝑥 = 200

16. Find the answer of given question? [Group D 09/09/2022 (Afternoon) ]

Correct Answer: (c) 431/990
Solution:

17. The value of (279 ÷ 31) + (363 ÷ 33) - (512 ÷ 16) is: [Group D 09/09/2022 (Afternoon) ]

Correct Answer: (d) -12
Solution:

(279 ÷ 31) + (363 ÷ 33) - (512 ÷ 16)
⇒ 9 + 11 - 32 = -12

18. Find the answer of given question? [Group D 09/09/2022 (Afternoon) ]

Correct Answer: (b) 2500
Solution:

19. Find the answer of given question? [Group D 09/09/2022 (Evening) ]

Correct Answer: (c) 8/45
Solution:

20. The value of (2²⁵ ÷ 2¹⁵) × 2⁴ is: [Group D 12/09/2022 (Morning)]

Correct Answer: (a) 2¹⁴
Solution: