A wholesaler purchased 7 hair clips for a rupee. How many for a rupee must he sell to get profit of 40%?

The value exponential form of   $$\sqrt {\sqrt{2}×{\sqrt{3}}}$$

Three partners started business by investing Rs.60,000, Rs.80,000 and Rs.1,20,000 respectively. First partner left the business after 4 months, second after 9 months and third rem ained in the business for the whole year. At the end of year the total profit earned is Rs. 1,60,480, then find their shares of profit.

A cistern has 3 pipes A, B and C. A and B can fill it in 3 and 4 hours respectively, and C can empty it in 1 hour. If the pipes are opened at 3 p.m., 4 p.m. and 5 p.m. respectively on the same day, the cistern will be empty at-

The ratio of ages of Jai and Joy is 5:2. The sum of their ages is 63. After 9 years what will be the ratio of their ages?

Find the LCM of x and (x+3).

Running at a speed of 60 km per hour, a train passed through a 1.5 km long tunnel in two minutes, what is the length of the train?

A drink of chocolate and milk contains 8% pure chocolate by volume. If 10 litres of pure milk are added to 50 litres of this drink, the percentage of chocolate in the new drink is: