Question

I am a multiple of 7 bigger than 40 and smaller than 50 the sum of my two digit is 13 identify M​

Answer 1

Answer:

I am 49

Step-by-step explanation:

42 and 49 but only 49 has sum 13

Answer 2

Question :- I am a multiple of 7. Bigger than 40 and smaller than 50. The sum of my two digit is 13. Identify me ?

Solution :-

Let the required two digit number is x .

given that,

• x is multiple of 7 => x ÷ 7 = Remainder 0 .
• greater than 40 and smaller than 50 => 7 * 6 = 42 or 7 * 7 = 49 .
• sum of digits is 13.

so,

→ x = 42 or 49 .

checking sum of digits we get,

• if x = 42 => sum of digits = 4 + 2 = 6 .
• if x = 49 => sum of digits = 4 + 9 = 13.

therefore, we can conclude that the required number is 49.

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