If 40% of a number is 80, what is 100% of the number?
A160
B200
C240
D250
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Archives: MCQs
Unit digit of 2^50?
A2
B4
C6
D8
If (x+y)^2 = 100 and (x-y)^2 = 16, find xy.
A12
B16
C21
D24
A man rows at 5 km/h in still water. If the stream is 1 km/h, what is his downstream speed?
A4 km/h
B5 km/h
C6 km/h
D7 km/h
How many ways can 3 people be seated in 5 chairs?
A10
B20
C60
D120
A dice is rolled. Probability of getting a number greater than 4?
A1/6
B1/3
C1/2
D2/3
The area of a triangle with base 12 cm and height 10 cm is:
A40 cm²
B60 cm²
C80 cm²
D120 cm²
Solve: x^2 – 5x + 6 = 0.
A2, 3
B-2, -3
C1, 6
D-1, -6
If A and B can do a work in 10 days, B and C in 15 days, and A and C in 12 days, how long for A alone?
A20 days
B24 days
C30 days
D40 days
A man sells a chair for Rs. 720, gaining 20%. What was the cost price?
ARs. 500
BRs. 600
CRs. 650
DRs. 700