Question

the sum of two numbers is 5000. if 20% of one number is equal to 30% of other no. find the number

Answer 1

W +Y =5000

20/100 x W=   30/100 X Y

W/5=3Y/10

10W=15Y

W=15Y/10=3Y/2

3Y/2+Y=5000

3Y+2Y=10,000

5Y=10,000

Y=2000

AND HENCE W=3 x2000/2=3000