For the following questions answer them individually
The sum of the length, breadth, and height of a cuboid box is 20 cm and the total surface area of cuboid is 256 sq, cm. What is the, maximum length (in approximate) of a stick that can be placed inside the cuboid box ?
The ratio of the speed of the boat in still water to the speed of the stream is 8 : 3 and the boat can travel 22 km downstream in 24 minutes. Then how much the will the boat take to cover 50 km upstream?
The bar graph given below shows the cost price and selling price of four articles L, M, N and O.
Loss = Cost price - Selling price
Which of the following sequence is correct for loss?
P can fill a tank in 5 hours. Q can fill the same tank in 10 hours. R can empty the same tank in 20 hours. How much time will all the three take together to fill the same tank?
If $$x^{2} + \frac{1}{x^{2}} = 7$$, then what is the value of $$x^{3} + \frac{1}{x^{3}}$$?
There are tree numbers P, Q and R. 30 percent of P is equal to the 15 percent of Q. 20 percent of Q is equal to the 10 percent of R. By what percent is R more than P?
A milk merchant buys 30 litres of milk at the rate of Rs. 50 per litre and mixes 20 lines of water in it (water is free of cost). If he sells this mixture at the rate of Rs. 48 per litre, then what is the profit percentage?
An incircle with center O is drawn inside an equilateral triangle ABC and the length of the side is 12 cm. Find the area (in sq.cm) of the triangle which is not in the incircle.
A discount of 20 percent on article A is equal to the discount of 15 percent on the article B. What is the ratio of the marked price of articles A and B?