Question

The product of two rational numbers is \frac{-28}{45}. If one of them is \frac{7}{-9}, find the other. (Give your answer as a decimal.)

Verify a \times (b + c) = a \times b + a \times c for a = \frac{-3}{4}, b = \frac{2}{5}, c = \frac{-5}{6}.

A tank holding 1200 litres when full is \frac{3}{4} full. In the morning, \frac{1}{3} of the water in the tank is used. In the evening, \frac{2}{5} of the remaining water is used. How many litres of water are left in the tank?

The cost of 4\frac{3}{5} m of cloth is ₹ 345. Find the cost of 2\frac{1}{4} m of the same cloth (in ₹).