For the following questions answer them individually
5 persons will live in a tent. If each person requires 16m2 of floor area and 100m3 space for air then the height of the cone of smallest size to accommodate these persons would be
If A and B are in the ratio 4 : 5 and the difference of their squares is 81, what is the value of A?
If the measure of three angles of a triangle are in the ratio 2 : 3 : 5, then the triangle is :
If 4 men or 8 women can do a piece of work in 15 days, in how many days can 6 men and 12 women do the same piece of work ?
A certain sum will amount to 12,100 in 2 years at 10% per annum of compound interest, interest being compounded annually. The sum is
The cost price of 100 books is equal to the selling price of 60 books. The gain or loss percentage will be :
G is the centroid of ΔABC. The medians AD and BE intersect at right angles. If the lengths of AD and BE are 9 cm and 12 cm respectively: then the length of AB (in cm) is
If θ be acute angle and tan (4θ - 50°) = cot(50° - θ), then the value of 9 in degrees is:
Let $$C_1$$ and $$C_2$$ be the inscribed and circumscribed circles of a triangle with sides 3 cm, 4 cm area of C, and 5 cm then $$\frac{area of C_1}{area of C_2}$$