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

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 ?

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.

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 ?

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 :

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…

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

What is the area covered by a bell-shaped curve from −6 sigma to +6 sigma in normal distribution?

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…