If one third of one-fourth of a number is 15, then three-tenth of that number is

The maximum value of 3 cosx + 4sinx + 8 is

Students in a commerce class took a test. The average score of men is 70 and of women is 83. The class average is 76. What is the ratio of men to women in the class?

There are 6 tasks and 6 persons. Task 1 cannot be assigned either to person 1 or person 2. Task 2 must be assigned to either person 3 or person 4. Every person is to be assigned one task. In how many ways can the assignment be done ?

What is the probability of drawing a king or a heart from a deck of cards ?

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

The sum of three consecutive odd numbers is 20 more than the first number. What is the middle number ?

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…

In a simultaneous throw of a pair of dice, find the probability of getting a total of 9 or more.