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Question

If we can represent 295 in the form of ab5, then find the value of (a + b).

A
6
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B
7
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C
8
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D
9
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Solution

The correct option is D 9
We have

295=25 + 45=(5 × 5) + 45=545

On comparing ab5 with 545, we get
a=5 and b=4
So, a + b = 5 + 4 = 9

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