What is total surface area of a cone where, r’ is radius and ‘l’ is slant height?   

Find the area of triangle whose medians are 8 cm, 15 cm and 17 cm respectively?

Three numbers which are co-prime to one another are such that the product of the first two is 551 and that of the last two is 1073. The sum of the three numbers is: 

Directions: The bar graph given below shows the production (in ' 000 tones) of rice of a country for the year 2007 to 2011. Study the graph carefully and answer the question given below it.

The production of rice in the year 2011 is what percent of the production of rice in 2010?

Three Alarm make a beep after every 48 sec, 72 sec and 108 sec respectively. They beeped together at 10 a.m. The time when they will next make a beep together at the earliest is

The selling price of the product was equal to 50% of its cost price. Two gradual discounts were offered on the product. If the first discount was 20%, then what was the second discount?

A contractor undertakes to finish a certain work in 124 days and employed 120 men. After 64 days, he found that he had already done 2/3 of the work. How many men can be discharged so that the work may finish in time ?

If then the value of y is