For the following questions answer them individually
Which smallest number must be subtracted from 400, so that the resulting number is completely divisible by 7?
The sum of three consecutive even integers is 84. Which is the least integer among them?
Working 10 hours a day, Aman can complete a piece of work in 18 days. How many hours a day should he work so as to finish the work in 15 days?
A can do a piece of work in 10 days and B in 12 days. With help of C, they finish the work in 4 days. In how many days C alone can do the same work?
The lengths of two diagonals of a rhombus are 24 cm and 32 cm. What is the side (in cm) of the rhombus?
The marked price of a chair is Rs 550 and a discount of 20% is given on it. What is the selling price (in Rs)?
