RRB NTPC SAMPLE PAPER - ARITHMETIC - 144

1. If x is less than y by 25% then y exceed x by:

(a) 100/3%
(b) 25%
(c) 75%
(d) 200/3%

2. A student multiplied a number by 3/5 instead of 5/3. What is the percentage error in the calculation?

(a) 44%
(b) 34%
(c) 54%
(d) 64%

3. The sum of 5% of a number and 4% of the other number is 2/3 of the sum of 6% of the first number and 8% of the second. The ratio of the first number to the second is:

(a) 2 : 3
(b) 3 : 2
(c) 3 : 4
(d) 4 : 3

4. The income of C is 20% more than B’s and the income of B is 25% more than A’s. Find by how much per cent is C’s income more than A’s?

(a) 150%
(b) 50%
(c) 25%
(d) 35%

5. In the given figure, AB || CD and EF || GH. Find the relation between a and b.

(a) 2a + b=180°
(b) a + b = 180°
(c) a – b = 180°
(d) a + 2b = 180°

Railway Recruitment Board (RRB) NTPC Exams Study Kit

Answer:

1. (a) 2. (d) 3. (d) 4. (b) 5. (b)