CSE Numerical Reasoning PERCENTAGE dating lumabas part1

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1.) If 1/2 of a number is 48, what is 2/3 of the number?
a. 16
b. 60
c. 64
d. 88
e. 144

2.) What is 30% of half of 240?
a. 36
b. 83
c. 72
d. 120
e. 144

3.) What is the product of 20% of 15 and 50% of 3/4?
a. 3/8
b. 6/8
c. 8/9
d. 9/8
e. 1 1/4