UPSC CSAT Mathematics Questions

Out of 450 students of a school, 325 play football, 175 play cricket and 50 neither play football nor cricket. How many students play both football and cricket?

There are 600 boys in a hostel. Each plays either hockey or football or both. If 75% play hockey and 45% play football, how many play both?

In a class, some students play cricket only, some other students play football only, and the remaining 1/6th of the students play both cricket and football. Whi…

In an imaginary language, the digits 0, 1, 2, 3, 4, 5, 6, 7, 8 and 9 are substituted by a, b, c, d, e, f, g, h, i and j. And 10 is written as ba. (cd + ef) × bc…

In an examination, 65% students passed in Civics and 60% in History, 40% passed in both of these subjects. If 90 students failed in History and Civics both, the…

A certain day, which is x days before 17th August, is such that 50 days prior to that day, it was 4x days since March 30th of the same year. What is x ?

Which of the following numbers is INCORRECT in the given series: 3, 2, 3, 6, 12, 37.5, 115.5?

3, 6, 18, 72, ?

1, 8, 27, 64, 125, ....?

15, 30, 60, 120, 240, ?

169 64 81 30 625 ? 49 50 1296 576 100 70

2, 12, 36, 80, 150, 252, ......

36, 20, 12, 8, 6, 5.5, 4.5

5, 10, 17, 27, 37, 50, 65

Find the missing term in the given series 360, 180, 90, 45, 22.5, ?

Consider the following sequence: 2, 3, 11, 38, 102, 229, 443 Which is the odd one out?

3 4 5 4 5 3 4 3 ? 48 60 105

5 9 15 16 26 ? 49 89 147

In a box carrying one dozen oranges, one-third have become bad. If 3 oranges are taken out from the box at random, what is the probability that at least one ora…

Find the missing term in the given series 7, 10, 16, 28, 52, 100, ?