Question

2 A positive number is 5 times another number. If 21 is added to both the numbers,
then one of the new numbers becomes twice the other new number. What are the
numbers?
interchange the digits, it is​

Answer 1

Answer:

(1) 7, 35

(2) 53

Step-by-step explanation:

(1)let one of the number be x

=>the other number=5x

by adding 21 to both the numbers,

the first one = x+21

the second one = 5x+21

ACCORDING TO THE QUESTION,

5x+21 = 2(x+21)

=>5x+21 = 2x+42

=>5x-2x = 42-21

=>3x = 21

=>x = 21/3 = 7

=> 5x = 7×5 = 35

(2)Given A positive number is five times another number

Hence the number required is 5x = 35

interchanging the digits of 35 it will become 53

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