Simplification (Railway Maths) (251 to 300)

Total Questions: 50

31. Simplify the question? [Group D 30/09/2022 (Afternoon) ]

Correct Answer: (a) 181/990
Solution:

32. Simplify the question? [Group D 30/09/2022 (Evening) ]

Correct Answer: (d) 54
Solution:

33. Simplify the question? [Group D 30/09/2022 (Evening) ]

Correct Answer: (b) 10
Solution:

34. Which is the smallest fraction among the options given below? [Group D 06/10/2022 (Morning) ]

Correct Answer: (b) 1981/155
Solution:

Numerator of all the fractions is equal. So, the fraction with the greatest denominator is the smallest fraction.
So, the smallest fraction = 1981/155

35. Find the value of n, when 2⁻⁷ × 2³ⁿ ⁺ ⁴ = 2¹¹ ÷ 2⁵? [Group D 06/10/2022 (Morning) ]

Correct Answer: (c) 3
Solution:

36. √8836 + √6084 - √1849 equals: [Group D 06/10/2022 (Afternoon) ]

Correct Answer: (c) 129
Solution:

√8836 + √6084 - √1849
= 94 + 78 - 43 = 129

37. Find the answer of given question? [Group D 06/10/2022 (Afternoon) ]

Correct Answer: (a) 0.5632
Solution:

38. Find the answer of given question? [Group D 06/10/2022 (Afternoon) ]

Correct Answer: (a) 346
Solution:

39. Find the answer of given question? [Group D 06/10/2022 (Evening) ]

Correct Answer: (d) 8/3
Solution:

40. Simplify the following (− 2 ) ÷ (− 2 )⁶? [Group D 07/10/2022 (Morning) ]

Correct Answer: (d) 1/4
Solution:

(− 2)⁴ ÷ (− 2)⁶  ⇒ 16 ÷ 64 = 1/4