1) The speeds of two trains are in the ratio of 2 : 3. They are moving on the opposite directions on parallel tracks. The first train crosses a telegraph pole in 10 seconds whereas the second train crosses the pole in 15 seconds. Find the time taken by the trains to cross each other completely.

2) Gita sold her car to Sita at a profit of 20% and Sita sold it to Chandani at a profit of 10%. Chandani sold it to a mechanic at a loss of 8%. Mechanic spend 12% of his purchasing price and then sold it at a profit of 20% to Gita once again. What is the loss of Gita ?

3) Ram purchased 120 reams of paper at Rs 80 per ream. He spent Rs 280 in transport , paid octori at the rate of 40paisa per ream and paid Rs 72 to the coolie if he wants to have a gain of 8% the selling price per ream must be.

4) An article is sold at a 25% proft. If its cost price is increased by 60 Rs and at the same time if its selling price is also increased by Rs 40 the % of prfit became 15%. Find the cost price.

5) A man bought a tonga and a horse for Rs 7500. He sold the tonga at 11% profit and the horse at 26% profit, making 19% profit on the whole. Find the cost price of the tonga and the horse separately.

6) A scooter dealer bought two scooters for Rs 13000. By selling one at a profit of 20% and the other at a loss of 25%, he found that selling prices of the two are same. Find the cost price of each scooter.

7) A, B, C subscribe Rs. 50,000 for a business. If A subscribes Rs. 4000 more than B and B Rs. 5000 more than C, out of a total profit of Rs. 35,000, what will be the amount A receives?

8) A, B and C entered into a business and their investments ratio was 5 : 4 : 3. After 4 months B
invested Rs. 1,000 more and after 8 months C invested Rs. 2, 000 more. At the end of one year the
profit ratio was 15 : 14 : 11, then the investment of C at the beginning was

9) A , B and C entered into a partnership by investing Rs 6000, 7500 and 9000 respectively. A is also a
working partner and gets 15% of the annual profit as his salary. If B and C got Rs 4250 and Rs 5100 respectively from the annual profit as their shares, what amount did A gets as salary from the annual profit.

10) A,B & C enter into a partnership by making an investment in the ratio of 3:5:7.After a year C invests another Rs 337600 while A withdraws Rs 45600.The ratio of investment changes into 24:59:167. How much did they invest initially??