If log_x(64) = 3, what is the value of x?
A2
B4
C8
D16
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Archives: MCQs
The compound interest on Rs. 5,000 for 2 years at 10% per annum compounded annually is:
ARs. 1,000
BRs. 1,050
CRs. 1,100
DRs. 1,050
A radius of a circle is increased by 20%. By what percentage does its area increase?
A40%
B42%
C44%
D48%
Simplify: (0.3 * 0.3 + 2 * 0.3 * 0.7 + 0.7 * 0.7).
A0.49
B0.81
C1.00
D1.21
If C(n, 2) = 45, find the value of n.
A8
B9
C10
D12
The average of 5 consecutive odd numbers is 27. What is the highest number?
A29
B31
C33
D35
Find the curved surface area of a cone with base radius 7 cm and slant height 25 cm. (Use pi = 22/7)
A500 cm²
B550 cm²
C600 cm²
D650 cm²
How many two-digit numbers are divisible by 6?
A13
B14
C15
D16
If x – y = 6 and x^2 + y^2 = 116, find the value of xy.
A30
B40
C50
D60
A train 150 m long passes a telegraph post in 12 seconds. How long will it take to cross a bridge 250 m long?
A20 seconds
B28 seconds
C32 seconds
D35 seconds