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BECE Mathematics 2016 Paper

Question : 34

Total: 40

13+b+c+19

Solution:

Concept:

Consecutive odd numbers increase by

2

Explanation:

In each row of the triangle, the next odd number is found by adding

2

The first row contains

13

, then

13+2=15

15+2=17

, and

17+2=19

b=15

and

c=17

Substitute these values into the given expression.

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

Now add step by step:

13+15=28

28+17=45

45+19=64

Therefore, the value of the expression is

64

Answer:

Option B.

64

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