Simplification (Railway Maths) (701 to 750)

Total Questions: 50

1. If x = 16% of x + 42, then find the value of 'x'. [RRB JE 26/06/2019 (Morning)]

Correct Answer: (b) 50
Solution:

2. Find the decimal equivalent of 7/8. [RRB JE 26/06/2019 (Morning)]

Correct Answer: (a) 0.875
Solution:

Decimal equivalent of 7/8 = 0.875

3. How many one-fifths are there in 200? [RRB JE 26/06/2019 (Morning)]

Correct Answer: (d) 1000
Solution:

4. Find the value of [RRB JE 26/06/2019 (Evening)]

Correct Answer: (d) 4/5
Solution:

5. Answer the following question? [RRB JE 26/06/2019 (Evening) ]

Correct Answer: (c) a - 2b
Solution:

6. Simplify: [RRB JE 26/06/2019 (Evening) ]

Correct Answer: (b) 0
Solution:

7. Among the four fractions given below, which one is greater than 7/12 but lesser than 11/16? [RRB JE 27/06/2019 (Morning) ]

Correct Answer: (b) 5/8
Solution:

8. If a * b = (a + b) + ab, then find the value of 3 * 5 - 2 * 3. [RRB JE 27/06/2019 (Morning) ]

Correct Answer: (d) 12
Solution:

Given, a * b = (a + b) + ab
[(3 + 5) + 3 × 5] − [(2 + 3) + 2 × 3]
(8 + 15) − (5 + 6) = 23 − 11 = 12

9. Find the value of [RRB JE 27/06/2019 (Morning) ]

Correct Answer: (a) 1/50
Solution:

10. Simplify : - [RRB JE 27/06/2019 (Evening) ]

Correct Answer: (a)
Solution: