For the following questions answer them individually
The difference between the selling prices of some apples, if sold for ₹12 per apple instead of ₹9 per apple, is ₹870. If total cost price of all the apples is ₹2,320, then find the selling price of one apple if the profit earned is 25%.
The given bar graph shows the sum invested by 4 different persons, A, B, C and D, in a bank on simple interest. Study the graph and answer the question given below.
If the amount received by B after 5 years at rate of interest R% p.a. is equal to the amount received by D after $$3\frac{1}{2}$$ years at the same rate of interest p.a., then the value of R is:
The mean of 12 numbers is 25. If one number is excluded, their mean is 22. Find the excluded number.
Suresh and Dinesh travel a distance of 120 km such that the speed of Suresh is more than that of Dinesh. The sum of their speeds is 75 km/h, and the total time taken by both is 6 hours and 40 minutes. The speed of Suresh is:
40% of the candidates in an examination were girls. 35% of the boys and 20% of the girls failed, and 585 boys passed in the examination. The number of girls who passed were:
A man sells apples, bananas and oranges at 20%, 25% and 30% profit, respectively. If the ratio of the cost of the fruits is 2 : 3 : 5, and the fruits are sold in the ratio 5 : 4 : 2. then his profit percentage is:
A and B working together can do 36% of a work in 9 days. B alone can do the work in 30 days. How long will A alone take to do the work?
The given bar graph shows the sum invested by 4 different persons, A, B, C and D, in a bank on simple interest. Study the graph and answer the question given below.
The interest received by A after 4 years at some rate of interest p.a. is ₹3840. If the rate of interest is increased by 2%, then the amount received by A after the same period is:
The ratio of the present ages of a mother and daughter is 3 : 1. Five years ago, the ratio of their ages was 5 : 1. Find the age of the mother 41 years hence.
Arvind bought eight washing machines at ₹16,000 each and sold all of them at a total price of ₹1,12,640. Find his profit or loss percentage.