Question

Dinesh gets a certain sum as pocket money he spends 20% on purchasing books and 25% of the purchasing stationary and 10% is given charity to the poor the remaining rupees 81 he uses for purchasing sweets find his pocket money

Answer 1

Money spent for purchasing books = 20 %

Money spent for purchasing stationary = 25%

Money spent for purchasing sweets = 10%

Total money spent = 55%

Balance money = 45 % = 81

Let his pocket money be 'x'

$x \times 45 \div 100 = 81$

$x = 81 \times 100 \div 45$
x = 180