If x-1/3x = 1/3 the value of 3x (x-1/3x) is

A and B start running at the same time and from the same point around a circle. If A can complete one round in 40 seconds and B in50 seconds, how many seconds will they take to reach the starting point simultaneously

P's salary is 25% higher than Q, what percentage is Q's salary lower than that of P?

A man bought 4 dozen eggs at Rs. 24 per dozen and 2 dozen eggs at Rs. 32 per dozen. To gain 20% on the whole, he should sell the eggs at

A sum of Rs. 770 has been divided among A, B, C in such a way that A receives 2/9th of what B and C together receive. Then A's share is

A man sold an article for Rs. 450, after allowing a discount of 16 2/3 % on the printed price. What is that printed price