Volume of a cube with side 3cm is:
A9 cm³
B18 cm³
C27 cm³
D81 cm³
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Archives: MCQs
Average of first 5 prime numbers is:
A5
B5.6
C6
D6.4
If 5x = 20, then x^2 is:
A4
B8
C16
D20
What is the square root of 0.09?
A0.03
B0.3
C3
D9
A rectangle has width 5cm, diagonal 13cm. Length is:
A10cm
B12cm
C14cm
D15cm
If log_10(100) = x, then x is:
A1
B2
C10
D100
Find the value of (a-b)^2 + (a+b)^2.
A2a^2+2b^2
B4ab
Ca^2-b^2
Da^2+b^2
Next number: 2, 4, 8, 16, …?
A20
B24
C30
D32
If x/2 = y/3, then x:y is:
A2:3
B3:2
C1:1
D4:6
Which of these is a composite number?
A2
B3
C7
D9