Trader loses as much percent as the cost price of the article.

By selling an article for Rs. 21, a trader loses as much percent as the cost price of the article. Find the cost price.

Solution:

A man spent Rs. 2800 on buying a number of plants priced at Rs x each. Because of the number involved, the supplier reduced the price of each plant by Rupee 1. The man finally paid Rs. 2730 and received 10 more plants. Find x.

Solution:

Forty years hence, Mr Pratap’s age will be the square of what it was 32 years ago. Find the present age.

Solution:

More Solutions:

• If (x + 2) and (x – 3) are factors of x3 + ax + b.
• If (x – 2) is a factor of the expression 2×3 + ax2 + bx – 14
• If ax3 + 3×2 + bx – 3 has a factor (2x + 3) and leaves remainder – 3
• When x3 – 3×2 + 5x – 7 is divided by x – 2.
• If on dividing 4×2 – 3kx + 5 by x + 2.