Find A and B A 1 -1 B B 0 -2 MARKS -

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Standard VIII

Mathematics

Letters for digits

Find A and B ...

Question

Find A and B

$\begin{matrix} A 1 + 1 B B 0 \end{matrix}$ [2 MARKS]

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Solution

Concept: 1 Mark
Application: 1 Mark

The sum of B + 1 is a number with last digit 0.

Hence B = 9.

A + 1 + 1 = B.

Hence A = 7.

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Find A and B A 1+ 1 B B 0 [2 MARKS]

Concept: 1 Mark Application: 1 Mark The sum of B + 1 is a number with last digit 0. Hence B = 9. A + 1 + 1 = B. Hence A = 7.

Find A and B

$\begin{matrix} A 1 + 1 B B 0 \end{matrix}$ [2 MARKS]

Concept: 1 Mark
Application: 1 Mark

The sum of B + 1 is a number with last digit 0.

Hence B = 9.

A + 1 + 1 = B.

Hence A = 7.