Question

solve the problem? ? ? ? ? ? ​

Answer 1

explanation

it is given that any number which is multiplied by 5/7 give result 15

so i taken number be X after that it become equation which is easily solved and gate number 21. again it is asked in question when multiplied 2 /3 of number what is result so i

multiply 21 *2/3 then divide by 3 and the result is 14.

Solution

let the number be x

according to question

=>5x/7 = 15

=>5x = 105

=>x = 21

so number is 21

again

=2*21/3

=42/3

=14

Answer 2

Step-by-step explanation:

Let the number be x

according to question

5x ÷ 7 = 15

5x = 105

x = 21

So, number is 21.

Again,

= 2 × 21 ÷ 3

= 42 ÷ 3

= 14