Model Questions for SSC CHSL (SET-67) ARITHMETIC

1. 7 men can complete a piece of work in 12 days. How many additional men will be required to complete double the work in 8 days ?

(a) 28
(b) 21
(c) 14
(d) 7

2. One pipe fills a water tank three times faster than another pipe. If the two pipes together can fill the empty tank in 36 minutes, then how much time will the slower pipe alone take to fill the tank ?

(a) 1 hour 21 minutes
(b) 1 hour 48 minutes
(c) 2 hours
(d) 2 hour 24 minutes

3. In an examination, a student scores 4 marks for every correct answer and loses 1 mark for every wrong answer. A student attempted tempted all the 200 questions and scored, in all 200 marks. The number of questions, he answered correctly was

(a) 82
(b) 80
(c) 68
(d) 60

4. The average of odd numbers upto 100 is

(a) 50.5
(b) 50
(c) 49.5
(d) 49

5. If A’s income is 25% less than B’s income, by how much per cent is B’s income more than that of A ?

(a) 25
(b) 30
(c) 100/3
(d) 200/3