The ratio of the sides of a triangle is 3: 4: a and the area of this triangle is 216 square cm. And the perimeter of this triangle is 72 cm. Then the value of a will be -

From a circle of radius a, a sector, which subtend an angle π/5 at the centre has been cut off. The perimeter of the remaining part of the circle is

If $$ {a\over x}+{b\over y}=m$$ and $$ {b\over x}+{a\over y}=n$$ then x:y will be__

A man spends 80% of his income. His income is increased by 20% and he increase his expenditure by 10%. His saving are increased by:

If an equilateral triangle is inscribed in a circle of area 48 π square units, then the perimeter of the triangle is:

What will be the total number of pieces if the length of $$ {5}{1\over4}$$  the rib is cut to 3/4 m length?

The angle of elevation of an airplane flying at 1500 altitude from the earth to the airport is 60 degrees, find the horizontal distance of the aircraft from the airport.

In how much time compound money at compound interest of half yearly rate of Rs 800 will be Rs 926.10?