RRB NTPC Algebra and Geometry

Question 1

If 2x + 3 = 11, what is the value of x?

Accepted Answer

4

Answer

3

Answer

5

Answer

6

Question 2

The angles of a triangle are in the ratio 2:3:4. What is the measure of the largest angle?

Accepted Answer

80°

Answer

60°

Answer

70°

Answer

90°

Question 3

What is the area of a circle with radius 7 cm? (Use π = 22/7)

Accepted Answer

154 cm²

Answer

44 cm²

Answer

176 cm²

Answer

88 cm²

Question 4

If x + y = 10 and x - y = 4, what is the value of xy?

Accepted Answer

21

Answer

24

Answer

20

Answer

16

Question 5

The perimeter of a square is 48 cm. What is its area?

Accepted Answer

144 cm²

Answer

100 cm²

Answer

112 cm²

Answer

120 cm²

Question 6

In a right-angled triangle, the hypotenuse is 13 cm and one leg is 5 cm. What is the length of the other leg?

Accepted Answer

12 cm

Answer

8 cm

Answer

10 cm

Answer

11 cm