Find the amount (integral value only) if a sum of ₹6,500 is being borrowed at 10% interest per annum for 2 years if interest is compounded half-yearly.

If x = 2 then the value of $$ x^3 + 27x^2 + 243x + 631$$ is:

The average of 24 number is 65. The average of first 11 number is 67 and the average of last 10 number is 70. If the 12^th Number is 13 less than the 13^th number , and the 14^th number is  one more than the 13^th number, then the average of 12^th and 14^th number is:

Study the table and answer the questions and give answer the following questions.

Supposing that there were 40 students in sciences in the year 2009. How much total of marks did they receive combined together?

 The least number by which 448 is to be divided to make it a perfect cube is

The average weight of 29 students is 40 kg. If the weight of teacher be included the average weight increased by 400 gms. The weight of the teacher is-

A and B enter into partnership in vesting ₹ 48,000 and ₹ 60,000 respectively. After 3 months, A withdraws ₹ 8,000 while B invests 6,000 after 6 months of starting of business. Out of the total amount of profit, if A gets ₹ 12, 000 as his share at the end of the year total profit is: 

A bus can travel $$ 12{2\over5}$$ Km in one hour. How much distance will it cover in $$ 2{3\over4}$$ hours?