If bc+ab+ca=abc, then the value of $$ {b+c\over {bc(a-1)}}+{a-c\over {ac(b-1)}}+{a+b\over {ab(c-1)}}$$ is

From a solid cylinder whose height is 12 cm and diameter 10 cm a conical cavity of same height and same diameter of the base is hollowed out. The volume of the remaining solid is (cm³)approximately .Π=22/7

If $$ {3x+}{2\over {\sqrt{x}}}=1$$ then $$ {x-{\sqrt{x}}}=?$$

The price of sugar is reduced by 25 % but in spite of the decrease, Aanysh ends up increasing his expenditure on sugar by 20% . What is the percentage change in his monthly consumption of sugar?

If one of the interior angles of a regular polygon is equal to 5/6 times of one of the interior angles of a pentagon, then the no. of sides of the polygon.

When the average age of husband, wife and their son was 42 years, the son got married and a child was born just one year after marriage. When the child turned to be 5 years, the average age of the family becomes 36 years. What was the age of daughter-in-law at the time of marriage?

A car worth Rs 30,000 was sold by A to B at 10 % profit. B sold the car back to A at 5 % loss. In the entire transaction.

A and B started a business with Rs 20,000 and Rs. 35,000 respectively. They agreed  share the profit in the ratio of their capital. C joined the partnership with the condition that A, B and C will share profit equally and pay Rs. 220000 as premium for this, to be shared between A and B. In what ratio this premium is to be divided between A and B?