Explore topic-wise MCQs in Arithmetic Ability.

This section includes 653 Mcqs, each offering curated multiple-choice questions to sharpen your Arithmetic Ability knowledge and support exam preparation. Choose a topic below to get started.

651.

If m men can do a work in r days, then the number of days taken by (m + n) men to do it is :

A. (m +n)/mn
B. (m +n)/mr
C. mr/(m +n)
D. r(m +n)/mn
Answer» D. r(m +n)/mn
Discussion
652.

Subhash can copy 50 pages in 10 hours; Subhash and Prakash together can copy 300 pages in 40 hours. In how much time can Prakash copy 30 pages?

A. 13 h
B. 12 h
C. 11 h
D. 9 h
E. 10 h
Answer» C. 11 h
Discussion
653.

A single reservoir supplies the petrol to the whole city, while the reservoir is fed by a single pipeline filling the reservoir with the stream of uniform volume. When the reservoir is full and if 40, 000 litres of petrol is used daily, the supply fails in 90 days. If 32, 000 litres of petrol used daily, it fails in 60 days. How much petrol can be used daily without the supply ever failing?

A. 64000 litres
B. 56000 litres
C. 60000 litres
D. 78000 litres
E. None of these
Answer» C. 60000 litres
Discussion