What is the HCF of 16, 24, and 32?
A4
B6
C8
D12
Archive
Archives: MCQs
If 5% of x = 10% of 20, find x.
A20
B30
C40
D50
A boat goes 15 km downstream in 3 hours and 12 km upstream in 4 hours. What is the stream speed?
A0.5 km/h
B1 km/h
C1.5 km/h
D2 km/h
In how many ways can 4 different books be arranged on a shelf?
A6
B12
C16
D24
A train travels 100 km in 2 hours and 150 km in 3 hours. What is its speed?
A50 km/h
B60 km/h
C75 km/h
D100 km/h
If x^2 – 7x + 10 = 0, find the roots.
A2, 5
B-2, 5
C2, -5
D-2, -5
The length and breadth of a rectangle are 12m and 8m. If the length is increased by 25%, find the new area.
A96
B110
C120
D130
Find the value of (2^3 * 2^4 * 2^5) / 2^10.
A1
B2
C4
D8
A mixture of milk and water is in ratio 3:2. If there are 30 liters in total, how much water must be added to make the ratio 2:3?
A10L
B15L
C20L
D25L
If 15 workers can build a wall in 48 hours, how many workers are needed to build it in 30 hours?
A20
B24
C25
D30