For the following questions answer them individually
A leak in the bottom of a tank can empty the full tank in 6 hours. An inlet pipe fills water at the rate of 4 litres a minute. When the tank is full, the inlet is opened and due to the leak the tank is empty in 8 hours. Find the capacity of the tank.
The percentage increase in the area of a rectangle, if each of its sides is increased by 20% is equal to
The paint in a certain container is sufficient to paint an area equal to 9.375 m . How many bricks measuring 22.5 cm by 10 cm by 7.5 cm can be painted out of this container?
The ratio between the length and the breadth of a rectangular park is 3:2. If a man cycling along the boundary of the park at the speed of 12 kmph completes one round in 8 minutes, then the area of the park is equal to
A company showroom gives a discount of 20% on the second grade shoes and a further discount of 15% on shareholder’s coupon. The total discount, a coupon holder will get is
20% profit is made when a discount of 20% is given on the marked price. When the discount is 30% profit will be
A dealer buys a table listed at Rs. 1,500 and gets successive discounts of 20% and 10%. He spends Rs. 20 on transportation and sells it at a profit of 20%. Find the selling price of the table.
Three utensils contain equal quantity of mixtures of milk and water in the ratio 6:1, 5: 2 and 3: 1 respectively. If all the solutions are mixed together, the ratio of milk and water in the final mixture Is
The average of 6 consecutive natural numbers is K. If the next two natural numbers are also included, how much more than K will the average of these 8 numbers be?
The incomes of A and B are in the ratio 3 : 2 and their expenditures are in the ratio 5:3. If each saves Rs. 1000, then A’s income is
