A shopkeeper sold an item at a profit of 20 %. If he reduces the price of the item by Rs. 900, he incurs a loss of 10 %. What is the cost price of the item?

A and B started a business with their investments in the ratio 7 : 11. After four months, C joined them with an investment which is Rs.4,000 more than A's investment and he is the working partner who earns a monthly salary of Rs.1,200. The share of 'C' in the total profit of Rs.65,600 is Rs.22,400. What is the share of A?

A shopkeeper gives two successive discounts on an article marked ₹ 450. The first discount given is 10 percent. If the customer pays 344.25 for the article, the second discount given is 

The HCF of two numbers 12906 and 14818 is 478. Their LCM is:

Sides of a triangle are 13 cm, 84 cm and 85 cm. Find its area(in square cm)?

5.52 – 2.3² + 0.8³ × 0.12 ÷ 0.4⁴ – 3.14 =?

Sunil has 40 coins of 10 paise and 25 paise each. If he has Rs 7.75, then how many 10 paise coins are there?