2021
Mathematics
JAMB
Three children shared a basket of mangoes in such a way that the first child took 1/4 of the mangoes and the second 3/4 of the remainder. What fraction of the mangoes did the third child take?
A.
3/16
B.
7/16
C.
9/16
D.
13/16
Correct Answer: 3/16
Explanation
You can use any whole numbers (eg. 1. 2. 3) to represent all the mangoes in the basket. If the first child takes 1/4 it will remain 1 - 1/4 = 3/4 Next, the second child takes 3/4 of the remainder which is 3/4 i.e. find 3/4 of 3/4 = 3/4 x 3/4 = 9/16 the fraction remaining now = 3/4 - 9/16 = (12−9)/16 = 3/16
You can use any whole numbers (eg. 1. 2. 3) to represent all the mangoes in the basket. If the first child takes 1/4 it will remain 1 - 1/4 = 3/4 Next, the second child takes 3/4 of the remainder which is 3/4 i.e. find 3/4 of 3/4 = 3/4 x 3/4 = 9/16 the fraction remaining now = 3/4 - 9/16 = (12−9)/16 = 3/16THIS WEEK's
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