For the following questions answer them individually
A person buys some bananas at ₹Y per dozen and sells them at ₹\frac{Y}{4} per banana. What is his gain percentage?
If $$\frac{2x + 3}{18 \div 3 \times 4 + 2} = \frac{12 \times 3 + 5}{2 \times 4 \div 2}$$, then what is the value of x?
A toy is the shape of a cylinder surmounted by a hemisphere. The total height of the toy is 15 cm and the radius of the hemisphere is 6 cm. What is the volume of the toy?
A purchased a book for ₹1,600. A sold it to B at a loss of 10% and B sold it to C at a loss of 20%. At what price did C purchase this book?
The table below shows the number of bags of cements of 5 different brands sold by a shop on a particular day.
The weight of each bags of cement is the same and is equal to 45 kg. What is the total weight of cement of all bags taken together?
A alone can do a piece of work in 7 days, while B alone can do if in 10 days. In how many days will they complete the same work if they work together?
What is the least number which when divided by 18, 24 and 36 leaves 3 as a remainder in each case?