Question

"Question 6 Find the values of the letter in the following and give reasons for the steps involved.

A B
x 5
__________
C A B
__________

Class 8 Playing with Numbers Page 256"

Answer 1

Numbers can be written in general form. Hence, a two digit number ab will be written as ab = 10a + b.

The general form of numbers is helpful in solving puzzles or number games.

Rules to be followed while solving the puzzles:. Each letter in the puzzle must stand for just one digit. Each digit must be represented by just one letter. 2. The first digit of a number cannot be zero.

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Solution

Put B = 0, we get 0 , 5 = 0 and A = 5, then 5 ×5 = 25

A = 5, C = 2

Hence , A = 5, B = 0 and C = 2

A B
x 5
__________
C A B
__________



   5 0
   x 5
__________
    2 5 0
__________

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Hope this will help you..