Seven less than three times a number is ̶ 22. Find the number.
a) ̶ 3
b) ̶ 5
c) 3
d) 5
Solution: Three time a number = 3x
7 less than 3x = 3x ̶ 7 =
3x ̶ 7 = ̶
3x =
x=
If A = {1, 2} and B = {a, b, c, d } then the number of elements in B x A are:
a) 128
b) 64
c) 16
d) 8
Explanation: B x A = {(a,1),(a,2), (b,1),(b,2), (c,1),(c,2), (d,1),(d,2)}
We have been defeated by them.
[The given tense of the given sentence is]
a) Present indefinite
b) Present continuous
c) Present perfect
d) Present perfect continuous
Choose the word nearest in meaning to “APPETITE”.
a) Care
b) Belief
c) Pain
d) Hunger
Which of the following is a factor of 36?
I. 4 II. 6 III. 12 IV. 16
a) (iv) only
b) (i) and (ii)
c) (ii) and (iii)
d) (i),(ii) and (iii)
Explanation: Factors of 36 = 1, 2, 3, 4, 6, 9, 12, 18, 36
Sum of internal angles of a regular n sided polygon is given by ______
a) (n + 2)1800
b) (n – 2 )1800
c) (n + 3)1800
d) (n – 3)1800
Surface area of sphere is _____ =
a) 4πr
b) 2πr
c) 2πr2
d) 4πr2