31.
If the simple interest on a certain sum of money for 20 months at the rate of 19.2% per annum exceeds the simple interest on the same sum for 15 months at the rate of 11.2% p.a. by ₹2,920, then what is the sum (in ₹, to the nearest hundreds)?
(A)
16,620
(B)
12,660
(C)
16,200
(D)
16,660
32.
The following table gives the number of males, females, educated males and educated females in a village over the years 2016 - 2020. Study the table carefully and answer the question. Find the percentage of the total number of educated females to the total number of females over all the years (up to 2 decimal places).
(A)
0.9233
(B)
0.8333
(C)
0.8923
(D)
0.8623
33.
Melting a metal ball of radius 3 units, 27 identical dice and a ball of radius 1 units are made. What is the side of dice?
(A)
1.7 units
(B)
1.5 units
(C)
1.6 units
(D)
1.4 units
34.
Simplify the given expression.
(A)
5.2314
(B)
7.8539
(C)
1.2368
(D)
3.9512
35.
The marked price of an immersion rod in an electronic store is ₹900. The store offers a discount of 12% on its sale. At what price (in ₹) can a customer buy it from the electronic store?
(A)
787
(B)
792
(C)
782
(D)
797
36.
A person bought two buffaloes for₹11,520. One is sold at a loss of 15% and the other is sold at a gain of 19%. If the selling price of both buffaloes is equal, find the cost price of the first one.
(A)
₹6,700
(B)
₹6,715
(C)
₹6,720
(D)
₹6,710
37.
If sin(x+y) = cos {3(x+y)}, then, the value of cot {2(x+y)} is _______.
(A)
-1
(B)
1
(C)
-2
(D)
2
38.
The value of (12 + 18) ÷ 2 − 11 + 16 × 4 − 28 + 13(−18 + 15) is:
(A)
3
(B)
1
(C)
0
(D)
2
39.
The value of 264 ÷ 8 − 1 − 32 × 2 + 80 ÷ 5 × 40 ÷ 20 is:
(A)
0
(B)
1
(C)
3
(D)
2
40.
What is the area of the sector of a circle whose radius is 35 cm and whose arc subtends an angle of 72° at the centre of the circle?