Question
S allocated 40% of his monthly income for food, followed
by 60% of the remaining amount for entertainment, 75% of the remaining for shopping, and the rest was saved. Given that his total savings amounted to Rs. 750, calculate the amount spent on entertainment.Solution
ATQ, Let monthly income of S is Rs. 100s According to question; 0.60 × 0.40 × 0.25 × 100s = 750 Or, 0.06 × 100s = 750 Or, s = 125 So, amount spent on entertainment = 0.60 × 0.60 × 100s = 36s = 36 × 125 = Rs.4500
If the length of a rectangle is increased by 60%, what would be the percentage decrease (correct to the nearest integer) in the width to maintain the s...
In a college, 70% of the students opted for cultural activities. Among those, 50% participated in music events and the remaining 105 students took part ...
- The cost of tea increased by 25%, so Meena reduced her consumption by 20%. Calculate the percentage change in her expenditure on tea.
A person spent 12.5% of his monthly income on food and 32% of the remaining on rent. If amount spent on rent is Rs 1512, then find the amount spe...
The monthly salary of a person is Rs.30000. He spent a% on rent and (a+5)% on EMI. From the remaining, he spend 45% on Education. Find amount spent on E...
- Anita had 320 candies and Rina had 40 more candies than Anita. Anita gave away 25% of her candies while Rina gave away 35% of hers. How many more/less cand...
A student scores 360 marks out of 600 marks in an examination. Find his percentage of marks.
The population of a city is decreased by 15% in the first year and then increased by 20% in the second year. Find the population of the city at the end...
 In a lock-making factory, 10 percent of the total produced locks were found to be defective, and 80 percent of the non-defective locks were exported. ...
Ravi spends 75% of his monthly salary. If his monthly savings are Rs 6,500, what is his monthly salary?