1. Buses start from a bus terminal with a speed 20 km/hr at intervals of 10 minutes. What is the speed of a man coming from the opposite direction towards the bus terminal if he meets the buses at intervals of 8 minutes? A. 3 km/hr B. 4 km/hr C. 5 km/hr D. 7 km/hr
1. 4 men can complete a piece of work in 2 days. 4 women can complete the same piece of work in 4 days whereas 5 children can complete the same piece of work in 4 days. If, 2 men, 4 women and 10 children work together, in how many days can the work be
1. The compound interest earned by Suresh on a certain amount at the end of two years at the rate of 8 p.c.p.a was Rs 1,414.4. What was the total amount that Suresh got back at the end of two years in the form of principal plus interest earned? A. Rs 9.414.4 B. Rs 9,914.4
Simple Interest Formulas Suppose a person A borrows some money from B for a certain period. After the specified period, when A return the said money he pays it with some additional money. This additional money that borrower has to pay is called interest. The actual money by A is called Principle. The interest and
Important Formulas C.P – The Price at which a trader buys an article is called cost price. S.P – The price at which a traders sells the article is called the selling price. Model Questions on Profit and Loss 1. A man sold an item for Rs7, 500 and incurred a loss of 25%. At
1. x varies inversely as the square of y in such a way that, if x = 1, then y = 6. If y = 3, then what is the value of x? A. 1/3 B. ½ C. 2 D. 4 2. Four years ago, the ratio of A’s age to B’s age was 11:14
Basic Definition of Percentage The word per cent means out of every hundred. The symbol % is used to term per cent. Thus 5 percent is written as 5% it meant 5 out of 100. In ratio form it may be written as 5/100. Formula of Percentage Increase/Decrease Model Questions on Percentage 1.
1. The average of five numbers is 49. The average of the first and the second numbers is 48 and the average of the fourth and filth numbers is 28. What is the third number? A. 92 B. 91 C. 95 D. Cannot be determined E. None of these 2. A student was asked to
