Raghava went to a 'sale' to purchase some pants and shirts. He purchased the number of shirts are 3 less than thrice the number of pants. Also the number of shirts is 5 less than four times number of pants purchased. Find how many pants and shirts Raghava bought.

Neha went to a 'sale' to purchase some pants and skirts. When her friend asked her how many of each she had bought, she answered "The number of skirts are two less than twice the number of pants purchased. Also the number of skirts is four less than four times the number or pants purchased." Help her friends to find how many pants and skirts Neha bought.

Neha went to a shop to purchase some pants and skirts. When her friend asked her how many of each she had bought, she answered, "the number of skirts are two less than twice the number of pants purchased and the number of skirts is four less than four times the number of pants purchased." Help her friend to find how many pants and skirts Neha bought.

A student has 5 pant and 8 shirts . The number of ways in which he can wear the dress in different combination is

Find the number of +ve integers which are less than 10^8 and 3 occurs exactly once.

A teacher wants to take 20 students to a park. He can take exactly 5 students at a time and will not take the same group more than once. Find the number of times that the teacher can go to the park

A die is thrown once. Find the probability of getting a number less than 3

Find the number of numbers less than 2000 that can be formed using the digits, 1,2,3,4 if repetition is allowed.

Number of ways in which Rs. 18 can be distributed amongst four persons such that no body receives less than Rs. 3 is

A coin whose faces are marked 3 and 5 is tossed 4 times. The odds against the sum of the numbers thrown being less than 15 are