1.	Find 25% of 20 mentally.
		A.	80	B.	4
		C.	5	D.	10
		Hint
	2.	Find 60% of 30 mentally.
		A.	50	B.	12
		C.	24	D.	18
		Hint
	3.	Estimate 60% of 92.
		A.	60	B.	48
		C.	42	D.	54
		Hint
	4.	Find 75% of 24 mentally.
		A.	18	B.	22
		C.	12	D.	32
		Hint
	5.	Estimate 11% of 60.
		A.	6	B.	10
		C.	3	D.	600
		Hint