The total number of Rs. 5 and Rs. 10 coins in my bag 20. If I have Rs. 145 in my bag. Let's calculate the number of coins of each king I had in the bag.

The value of the total number of 70 notes (currency) is Rs.590 , in which there are notes of Rs10 and 5. Find the number of each notes.

The cost of my school exercise book was Rs. 10. Now 1 buy the same exercise book for Rs. 12. Let's calculate the percentage increase in the price of the exercise book.

A bag contains some white and some black balls, all combinations of balls being equally likely. The total number of balls in the bag is 10. If three balls are drawn at random without replacement and all of them are found to be black, the probability that the bag contains 1 white and 9 black balls is

An amount of money was distributed amongst a certain number of friends . Had the number of friends been 2 less than the original , each of them would have got RS.18. Again , had the number of friends been 3 more than the original , each of them would have got Rs. 12 . Determine the number of friends and the amount of money.

Our local cub room is square in shape of side 15m long and 5m high.l There are 4 dors in the club room each 1.5m. wide and 2m. high. Let's calculate the cost of oil painting its 4 walls without doors at Rs. 350 per sq.m.

There are coins of one rupee and 50 paisa in a box owned by elder brother of Mitali. The total value of the coins is Rs. 350. The sister of Mitali replaces (1)/(3) rd of the 50 paisa coins in the box by equal number of one rupee coins , so that the total value of the coins now becomes RS.400 . Determine the number of one rupee coins and 50 paisa coins each.

Today morning father bouhgt 5 kg of rice for Rs. 255. But my ucnle bought 10 kg of rice Rs. 410. Let’s calculate to find both if bought rice at same price.

The cost of cultivation of a 30 m long pieces of land is Rs. 150. Had the breadth of the land been 5m. Less, the cost would have been Rs. 120. Let's calculate the breadth of the land.

A die is thrown if it shows a six, we draw ball from is bag containing 2 black balls and 6 white balls. If it does not show a six then we toss a coin. Then the number of event points in the sample space of this experiment is -

Today morning I arranged the books in the almirah of my room. In each shelf I arranged books equal to the number of shelves of almirah. But 5 books remained out of the almirah. If toral number of book are 86, Let's find the number of shelves of the almirah.