Question

An amount of money is to divided between p,q,r in the ratio 2: 5: 7 resp. If the total of p's & r's share is rs.800 more than q's share what will be p's share in it

Answer 1

p's share 2x
q's share 5x
r's share 7x
A/q
2x+7x=5x+800
2x+7x-5x=800
9x-5x=800
4x=800
x=800/4
x=200
p's share= 2x=2x200=400