For the following questions answer them individually
A shopkeeper by selling 9 Rolex watches, earns a profit equal to the selling price of 4 Rolex watches. His profit percentage is
A circle is inscribed in a square. If the length of the diagonal of the square is 14√2 cm, what is the area (in sq cm) of the circle?
In ΔPQR, S and T are points on side PQ and PR respectively. ST is parallel to QR. If S divides PQ in the ratio 4:1 and length of QR is 15 cm,what is the length of ST?
If $$\frac{1}{(1 + \cos A)} + \frac{1}{(1 - \cos A)} = x$$ , then value of $$x$$ is
Of the 3 numbers whose average is 64, the first number is 1/3 times the sum of other 2. The first number is
If cos 45° - sec 30° = x, then value of x is
Ajit is two times as good a workman as Badrinath and therefore is able to finish a job in 30 days less than Badrinath. Working together, they can do it in
If cot(A/2) = x, then x is equal to
The length of the diagonal of a square is 10 cm. What is area of this square?
A car travels a certain distance at 32 km/h and comes back at 68 km/h. What is the average speed for total journey?