Question

sekhar gives a quarter of his sweets to renu and then gives 5 sweets to Raju. He has 7 sweets left. How many did he have to start with

Answer 1

total sweets=x

renu sweets=1/2x

raju sweets=5

the remaining sweets=7

1/2x+5+7=x

x/2+5+7=x

x/2+12=x

x+24=x

2x=24

x=24/2

x=12