I have a total of Rs 300 in coins of denomination Rs 1, Rs 2 and Rs 5, the number of Rs 2 coins is 3 times the numbers of Rs 5 coins. The total number of coins is 160. How many coins of cash denomination are with me?

Lakshmi is a cashier in a bank. She has currency notes of denominations Rs 100, Rs 50 and Rs 10, respectively. The ratio of the number of these notes is 2:3:5 . The total cash with Lakshmi is Rs. 4,00,000. How many notes of each denomination does she have?

The organisers of an eassy competition decide that a winner in the competition gets a prize of Rs 100 and a participant who does not win gets a prize of Rs. 25. The total prize money distributed is Rs 3,000. Find the number of winners, if the total number of participants is 63.

Express the following statements by equations : If the price of a duck is 15 times that of an egg, the total price of 3 ducks and 10 eggs is Rs 110.

A compound forms hexagonal close packed (hcp) structure. What is the total number of voids in 0.5 mol of it? How many of these are tetrahedral void?

Solve the inequation 5(2x-3)lex/3+1 and show the solution set on the number line.

A piggy bank contains hundred 50p coins, fifty Rs1 coins, twenty Rs2 coins and ten Rs5 coins. If is equally,likely that one of the coins will fall out when the bank is turned upside down, what is the.probability that the coin(ii)will not be a Rs 5 coin

A piggy bank contains hundred 50p coins, fifty Rs1 coins, twenty Rs2 coins and ten Rs 5coins. If is equally,likely that one of the coins will fall out when the bank is turned upside down, what is the.probability that the coin (i) will be a 50 p coin?

Out of the six faces of a die, three are marked with the number 2,two are marked with the number 1 and one is marked with the number 3.The die is tossed once. Find in how many ways the following events may occur :(iv)the event of getting an even number

Amina thinks of a number and subtracts frac(5)(2) from it. She multiplies the result by 8. The result now obtained is 3 times the same number she thought of. What is the number?

Out of the six faces of a die, three are marked with the number 2,two are marked with the number 1 and one is marked with the number 3.The die is tossed once. Find in how many ways the following events may occur : (i) the event of getting the number 1