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A positive number is 5 times …

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A positive number is 5 times the same number. If 21 is added to both the number becomes twice the other new number. What are the numbers

Posted by Rishi Dev 6 years, 2 months ago

CBSE > Class 09 > Mathematics

1 answers

Yogita Ingle 6 years, 2 months ago

Let the smaller number = x
bigger number = 5x. -----(we need this.)

if 21 is added to both; 5x+21 = 2×(x+21)

5x + 21 = 2x + 42

5x - 2x = 42 - 21

3x =. 21

x = 21/3= 7

So the positive number is = 5×7 = 35

1Thank You

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CBSE > Class 09 > Mathematics