Simplification (Railway Maths) (251 to 300)

Total Questions: 50

11. Simplify the given expression. [Group D 27/09/2022 (Afternoon)]

(5/2)x² + 4x + 3/2 + x²/2 − 6x + 5/2

Correct Answer: (b) 3x² − 2x + 4
Solution:

12. Simplify the given expression. [Group D 27/09/2022 (Afternoon)]

(√1008 ÷ √448) × √0.16

Correct Answer: (d) 0.6
Solution:

13. Find the answer of given question? [Group D 27/09/2022 (Afternoon) ]

Correct Answer: (d) 4/33
Solution:

14. If 0.045 + 0.154 – 0.09 + 1.5 – (0.3 × 0.8) = x – 0.231, then the value of x lies between: [Group D 27/09/2022 (Evening) ]

Correct Answer: (d) 1.5 and 1.8
Solution:

15. Find the answer of given question? [Group D 27/09/2022 (Evening) ]

Correct Answer: (d) 328/99
Solution:

16. The simplest form of the ratio 722 : 1083 is: [Group D 28/09/2022 (Morning) ]

Correct Answer: (c) 2 : 3
Solution:

722 : 1083
H.C.F of 722 and 1083 is 361.
So, 722 ÷  361 / 1083 ÷  361
= 2 : 3

17. Simplify the question? [Group D 28/09/2022 (Afternoon) ]

Correct Answer: (d) 25/99
Solution:

18. Find x and y in the equivalent fraction given below. [Group D 28/09/2022 (Evening)]

x/9 = 105/63 = 5/y

Correct Answer: (d) x = 15, y = 3
Solution:

19. Simplify: [Group D 28/09/2022 (Evening)]

3x(x + 2) − 5x(x − 3) + 7

Correct Answer: (a) −2x² + 21x + 7
Solution:

20. Simplify the question? [Group D 28/09/2022 (Evening) ]

Correct Answer: (d) 5/18
Solution: