In a building there are 30 cylindrical pillars. The radius of each pillar is 35 cm and height is 5 m. Find out the cost of painting the curved surface of half the number of pillars. The rate of painting is Rs. 10 per m².

What value should come in place of question mark (?) in the following equation? 360√? + 4500 = 19700 − 9800

A management institute has 6 senior professors and 4 junior professors, 3 professors are selected at random for a government project. The probability that at least one of the junior professors would get selected is :

Two oranges, three bananas and four apples cost Rs. 15. Three oranges, two bananas and one apple cost Rs. 10. I bought 3 oranges, 3 bananas and 3 apples. How much did I pay ?

The angle created by two hands of a clock when the clock shows 5.20 P.M. is :

Rajesh can check the quality of 1000 items in 5 hours and Rakesh can complete 75% of the same job in 3 hours. How much time is required for both of them to check 1300 items, if Rakesh stops checking after 2 hours ?

The total volume of soaps sold is 680 lakh units. The volume of Lux sold is 136 lakh units. If the percentage of Lifebuoy sold is 30%, Camay 10%, Liril 15% and Mysore Sandal 10%, answer the following question. (A pie chart shows the shares of Lifebuoy, MS, Camay, Liril, Lux and O…

The following table lists the marks of seven students (rows) of a class across six subjects (columns). The numbers in the parentheses indicate the maximum marks of the subject concerned. Use the data in the table to answer the question that follows: Student | English(150) | Hindi…

In a triangle ABC, AD is the bisector of angle A. If AC =4.2 cm, DC = 6 cm, BC =10 cm, find AB.