UPSC CSAT Mathematics Questions
343 questions with explanations
Which year has the same calendar as that of 2009?
A family has two children along with their parents. The average of the weights of the children and their mother is 50 kg. The average of the weights of the chil…
The average marks of 100 students are given to be 40. It was found later that marks of one student were 53 which were misread as 83. The corrected mean marks ar…
Consider the sequence given below: 4/12/95, 1/1/96, 29/1/96, 26/2/96, … What is the next term of the series?
A train 200 metres long is moving at the rate of 40 km/h. In how many seconds will it cross a man standing near the railway line?
A shopkeeper sells an article at Rs. 40 and gets X% profit. However, when he sells it at Rs. 20, he faces same percentage of loss. What is the original cost of …
If X is between –3 and –1, and Y is between –1 and 1, then X^2 – Y^2 is in between which of the following?
If x – y = 8, then which of the following must be true? 1. Both x and y must be positive for any value of x and y. 2. If x is positive, y must be negative for a…
X and Y are natural numbers other than 1, and Y is greater than X. Which of the following represents the largest number ?
Gopal bought a cell phone and sold it to Ram at 10% profit. Then Ram wanted to sell it back to Gopal at 10% loss. What will be Gopal’s position if he agreed?
Gopal bought a cell phone and sold it to Ram at 10% profit. Then Ram wanted to sell it back to Gopal at 10% loss. What will be Gopal’s position if he agreed?
Gopal bought a cell phone and sold it to Ram at 10% profit. Then Ram wanted to sell it back to Gopal at 10% loss. What will be Gopal’s position if he agreed?
15 students failed in a class of 52. After removing the names of failed students, a merit order list has been prepared in which the position of Ramesh is 22nd f…
The outer surface of a 4 cm × 4 cm × 4 cm cube is painted completely in red. It is sliced parallel to the faces to yield sixty four 1 cm × 1 cm × 1 cm small cub…
A watch loses 2 minutes in every 24 hours while another watch gains 2 minutes in every 24 hours. At a particular instant, the two watches showed an identical ti…
A bag contains 20 balls. 8 balls are green, 7 are white and 5 are red. What is the minimum number of balls that must be picked up from the bag blindfolded (with…
There are 4 horizontal and 4 vertical lines, parallel and equidistant to one another on a board. What is the maximum number of rectangles and squares that can b…
A freight train left Delhi for Mumbai at an average speed of 40 km/h. Two hours later, an express train left Delhi for Mumbai, following the freight train on a …
P works thrice as fast as Q, whereas P and Q together can work four times as fast as R. If P, Q and R together work on a job, in what ratio should they share th…
Three spiders A, B and C start to climb on three pillars X, Y and Z of different heights simultaneously. In one chance, A climbs on X by 6 cm but slips down 1 c…