Manish sold a mobile phone at a profit 10%. Had it been sold for Rs. 100 more than profit would have been 20%. Find the C.P. of the mobile phone.

The difference between two S.P. s of a chair at profit of 6% and 7% is Rs. 10. Find the C.P. of the chair.

Cost of an item is Rs.50. It was sold with a profit of 12%. Find the selling price.

An article was sold for Rs.250 with a profit of 5%. What was its cost price?

After allowing a disocunt of 20% on an article is sold for Rs. 2,400. Find the marked price of the article.

In a class test, the sum of Shefali's marksin Mathematics and English is 30. Had she got 2 marks more in Mathematics and 3 marks less in English, the product of their marks would have been'210. Find her marks in the two subjects.

Meenu bought two fans for Rs 1200 each. She sold one at a loss of 5% and the other at a profit of 10%. Find the selling price of each. Also find out the total profit or loss.

A fruit vendor buys some oranges at the rate of Rs 5 per orange. He also buys an equal number of bananans at the rate of Rs 2 per banana. He makes a 20% profit on orange and a 15% profit on bananas. At the end of the day, all the fruit is sold out. His total profit is Rs 390. Find the number of oranges purchased.