When he was young, he _______ swims very well. He won medals and championships:
a) Had to
b) Can
c) Could
d) Must
What should be the value of “t” which balance the equation, 3t + 2 = 2t + 1:
a) 1
b) 2
c) -1
d) -2
Explanation: 3t + 2 = 2t + 1
3t – 2t = 1 - 2 t = -1
I left my purse at home, Ahmed, _____ you lend me 500 rupees.
a) May
b) Could
c) Should not
d) May not
Environments should be main focus in the case of:
a) Learning
b) Institutes
c) Training
d) Teaching
Did my friend _______ my slate?
a) Broke
b) Broken
c) Broking
d) Break
Factors of 16x2 – 25y2 are:
a) (4x – 5y)(4x – 5y)
b) (4x – 5y)(4x + 5y)
c) (4x + 5y)(4x + 5y)
d) (16x + 25y)(16x – 25y)
Explanation: 16x2 = (4x)2 and 25y2 = (5y)2
We know that a2 – b2 = (a + b)(a – b)
Therefore 16x2 – 25y2 = (4x – 5y)(4x + 5y)
