Find the geometric mean of 4 and 16.
A6
B8
C10
D12
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Archives: MCQs
By selling an article for Rs. 720, a trader suffers a loss of 10%. At what price must he sell it to gain 20%?
ARs. 840
BRs. 900
CRs. 960
DRs. 1,000
If a regular polygon has 12 sides, what is the measure of each interior angle?
A135°
B144°
C150°
D160°
Find the smallest number by which 3600 must be divided to make it a perfect cube.
A15
B25
C450
D600
What is the value of sin^2(30°) + cos^2(60°)?
A1/4
B1/2
C3/4
D1
A bag contains 5 red, 3 blue, and 2 green balls. If one ball is drawn at random, what is the probability that it is NOT blue?
A3/10
B1/2
C7/10
D4/5
Evaluate: 0.008^(2/3).
A0.02
B0.04
C0.2
D0.4
If 15 articles cost Rs. 225, how much will 28 articles cost?
ARs. 380
BRs. 400
CRs. 420
DRs. 440
The lengths of two parallel sides of a trapezium are 10 cm and 16 cm, and the distance between them is 8 cm. What is its area?
A104 cm²
B112 cm²
C120 cm²
D128 cm²
What is the probability of getting at least one head when three unbiased coins are tossed together?
A1/8
B3/8
C7/8
D3/4