Simplification (Railway Maths) (451 to 500)

Total Questions: 50

41. Find the answer of given question? [RRB NTPC 04/02/2021 (Evening) ]

Correct Answer: (d) 527/990
Solution:

42. Find the value of [RRB NTPC 05/02/2021 (Morning)]

18 - [6 - {4 - (8 - (6 + 3))}]

Correct Answer: (d) 17
Solution:

18 − [6 − {4 − (8 − (6 + 3))}]
= 18 − [6 − {4 + 1}]
= 18 − [6 − 5]
= 17

43. Simplification of (0.2 × 0.2 + 0.02 × 0.02 − 0.4 × 0.02) / 0.36 gives: [RRB NTPC 09/02/2021 (Morning)]

Correct Answer: (b) 0.09
Solution:

(0.2 × 0.2 + 0.02 × 0.02 − 0.4 × 0.02) / 0.36
= (0.04 + 0.0004 − 0.008) / 0.36
= 0.09

44. Find the answer of given equation? [RRB NTPC 11/02/2021 (Morning) ]

Correct Answer: (b) 5
Solution:

45. Find the value of [RRB NTPC 11/02/2021 (Morning) ]

Correct Answer: (a) 1/8
Solution:

46. Find the answer of given equation? [RRB NTPC 11/02/2021 (Evening) ]

Correct Answer: (a) 1/12
Solution:

47. Find the answer of given questio? [RRB NTPC 12/02/2021 (Morning) ]

Correct Answer: (c) 2020
Solution:

48. Find the value of [RRB NTPC 15/02/2021 (Evening)]

(0.5 × 0.5 + 0.09 − 0.15) / (0.125 + 0.027)

Correct Answer: (b) 5/4
Solution:

49. Solve the following: [RRB NTPC 16/02/2021 (Morning)]

(4 + 3 × 3 − 2) / (4 − 3 × (3 − 2)

Correct Answer: (c) 11
Solution:

= 4 + 3 × 3 − 2 / 4 - 3 × (3 - 2) = 4 + 9 - 2 / 4 - 3
= 11

50. Find the answer of given question? [RRB NTPC 16/02/2021 (Morning) ]

Correct Answer: (d)
Solution: