The sum of length, breadth and height of a cuboid is 20 cm. If the length of the diagonal is 12 cm, then find the total surface area of cuboid.

The average of 10 numbers is 14. If each number is multiplied by 6 then what will be the new average?

A dealer marks a washing machine for ₹7500, and allows a discount of 6% on it. Find the selling price 

The circumference of the base of a cylindrical vessel is 158.4 cm and its height is 1 m. How many litres of water can it hold (correct to one decimal place)?

(Take π = 22/7)

Table below shows the number of candidates appearing for the interview and the percentage of candidates found eligible for the post in various companies (A, B, C, D, E, F).
Study the Tables and give answer the following Questions.

What is the difference between the qualified candidates of Company A and Company D?

If the orthocenter and the centroid of a triangle are the same, then the triangle is:

A complete factorization of x⁴+64 is 

P can complete a piece of work in thrice the time taken to complete Q and R together. If P and Q together can complete the work in $$ 9{3\over 5} $$ days and R alone complete in 16 days, then find the no of days taken to complete the work by P alone?