SOLVED PAPER 2022 (CDS) (I) (Elementary Mathematics)

Total Questions: 100

11. What is the value of the following?

Correct Answer: (c) 1
Solution:

12. The perpendicular dropped from a vertex of a right-angled triangle upon the hypotenuse divides it into two segments of lengths 9 units and 16 units respectively. What is the length of the perpendicular?

Correct Answer: (d) 12 Units
Solution:

13. If 43ˣ × 47ʸ = (2021)² , x ≠ 0, y ≠ 0, then what is the value of the following?

Correct Answer: (a) 5
Solution:

14. Solved

Correct Answer: (a) 24
Solution:

15. Solved

Correct Answer: (a) 17
Solution:

16. What is the least value of n if 194480 + n = m⁴ where m and n are natural numbers?

Correct Answer: (a) 1
Solution:

17. Solved

Correct Answer: (c) 4
Solution:

18. What is the area of the region enclosed by three identical circles (each of radius 4 cm) touching each other?

Correct Answer: (c)
Solution:

19. A car travels from A to Bat a speed of 40km / h travels back from B to A at a speed of 30 km/h and again goes from A to B at a speed of 60 km/h. What is the average speed of the car?

Correct Answer: (c) 40 km/h
Solution:

20. What is the smallest natural number from the following which must be subtracted from 9410 to make the remaining number a perfect square?

Correct Answer: (d) 1
Solution: