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BECE Mathematics 2016 Paper

Question : 34

Total: 40

13+b+c+19

Solution:

Series of odd numbers are obtained by adding 2 to an odd number to get its consecutive odd number.

In the first row, the odd numbers are obtained as follows:

13,13+2=15,15+2=17,17+2=19

b=15

and

c=17

In the second row, the odd numbers are obtained as follows:

7,7+2=9,9+2=11

a=11

13+b+c+19=13+15+17+19=64

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