A 4-digit number of the form aabb is a perfect square. What is the value of a - b?
Correct option is
A boss decides to distribute Rs. 2000 between 2 employees. He knows X deserves more that Y, but does not know how much more. So he decides to arbitrarily break Rs. 2000 into two parts and give X the bigger part. What is the chance that X gets twice as much as Y or more?
A milkman purchases milk at Rs 20/litre and mixes 4 litres of water in it. By selling the resultant mixture at the rate of Rs 20/litre, he earns a profit of 40%. The amount of mixture he had with him to sell was
A tank of capacity 60 litres can be filled in 10 minutes by a pipe P. Another pipe Q placed at the bottom of tank can empty the tank in 30 minutes. Both of the pipes were opened. In how much time pipe Q will empty the tank if pipe P is closed after 10 minutes?