UPSC - CSAT Aptitude Mock Tests

Four friends A, B, C, and D are sitting in a row facing north. A is sitting next to B, but not next to C. D is sitting at the extreme right end. B is sitting between A and C. Who is sitting at the extreme left end?

All roses are flowers. Some flowers fade quickly. Which of the following must be true?

In a group of 120 students, 80 like Mathematics, 70 like Physics, and 40 like both. How many students like neither Mathematics nor Physics?

Two sides of a triangle are 8 cm and 15 cm. The angle between them is 90°. What is the area of the triangle?

The price of a commodity increases by 25%. A family wants to increase its expenditure on the commodity by only 10%. By what percentage should the family reduce its consumption of the commodity?

Two dice are thrown simultaneously. What is the probability of getting a sum greater than 10?

Statements: All cats are animals. Some animals are dogs. Conclusions: I. Some cats are dogs. II. Some dogs are animals. III. All animals are cats.

In a certain code language, "COMPUTER" is written as "DPNQFUFS". How is "KEYBOARD" written in that code?