In a village, number of male, female and children are in the ratio of 3:5:7. If 90% of the males are literate, 80% of females are literate and 40% of ch...
A student multiplied a number by 8/5 instead of 5/8. What is the percentage error in the calculation?
In a school with 2,400 students, 45% of the students prefer indoor games, while the remaining students prefer outdoor games. Among those who prefer indo...
An original figure is first enhanced by 25% and then reduced by 10%. What is the final overall percentage change?
A person spent 15% of his monthly income on food and 60% of the remaining on rent. If amount spent on rent is Rs 5798.70, then find the amount spent on ...
Suresh spends 30% of his monthly salary on travel, 40% of the leftover on food, and saves the remaining amount. If he saves Rs. 1680, find out how much ...
A man invested a certain amount of sum at 12.5% per annum simple interest and earned an interest of Rs.1800 after 2 years. If the same amount is investe...
Gaurav spends 25% of his salary on grocery and 35% of the remaining amount on electricity bills. If Gaurav saves Rs. 33637.5, what is his total salary?
In 2018, an online course had 'r' subscribers. Subscribers increased by 50% in 2019 and another 25% in 2020. However, in 2021 subscribers decreased by 4...
Monthly income of A is Rs. 6500 and he saves 36% of his monthly income. If monthly expenditure of A is decreased by 35% while his monthly savings is inc...
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