What is the quotient , when 2645 is divided by 48 ? 

One acute angle of a right-angled triangle is double the other. If the length of its hypotenuse is 10 cm, then its area is

Three numbers which are co-prime to one another are such that the product of the first two is 551 and that of the last two is 1073. The sum of the three numbers is: 

Find the exact value of the following question:

$$ 3{1\over2} × 3 {1\over 7}+ 5{3\over4}÷{46\over3}=?$$

A room in a house measures 5 m in height and its length is 3 times its breadth. The cost of whitewashing its four walls at Rs. 2.50 per sq m is Rs. 200. What is the cost of carpeting the floor at Rs. 5 per sq m? 

The investments made by X and Y are the ratio 3: 2. If 5% of total profit is donated and X gets ₹ 8,550 as his share of profit then what is the amount of total profit. 

Direction: The following diagram shows the percentage of population of Hindus, Sikhs and Muslims with respect to total population in a town during 2005 to 2008. Study the diagram and answer the questions:

Difference of percentage of population of Hindus in 2005 and 2008 is:

If a²+b²+c² = 2(a – b – c) – 3 then the value of 4a – 3b + 5c is