TNPSC General Studies Series-1

TNPSC General Studies Series-1

1. Simplify:

Answer: (B)

2. Find the radius of a sector whose are length and area are 27.5 cm and 618.75 cm²
respectively

(A) 35 cm
(B) 25 cm
(C) 45 cm
(D) 55 cm

Answer: (C)

3. If 15% of x=20% of y then find x:y

(A) 3:4
(B) 4:3
(C) 17:16
(D) 16:17

Answer: (B)

Answer: (A)

5. How many diagonals are there in a polygon of 15 sides?

(A) 30
(B) 70
(C) 120
(D) 90

Answer: (D)

6. Greatest Common Divisor of 924 and 105 is

(A) 21
(B) 23
(C) 24
(D) 25

Answer: (A)

7. The L.C.M of three different numbers is 120.  Which of the following cannot be their H.C.F.?

(A) 8
(B) 12
(C) 24
(D) 35

Answer: (D)

8. Given below are two series with specific pattern

What will come in the plate of (e)?

(A) 173
(B) 171
(C) 153
(D) 151

Answer: (C)

9. The sides of the triangel are in the ratio 3:4:5.  The measure of the largest angle of the triangle is

Answer: (B)

10. A certain sum of money amounts to Rs. 8,880 in 6 years and Rs. 7,920 in 4 years respectively.  Then its principal is

(A) Rs. 7,500
(B) Rs. 6,000
(C) Rs. 8,000
(D) Rs. 4,530

Answer: (B)