For the following questions answer them individually
The length of a cuboid is twice its breadth and its height is half of its breadth. If the height of the cuboid is 2 cm, then what is the edge of a cube having the same volume as that of the cuboid?
The ratio of marketed price to selling price of an article is 12 : 7. What is the discount percentage?
A is the smallest three-digit number which when divided by 3, 4 and 5 leaves remainders 1, 2 and 3 respectively. What is the sum of the digits of A?
The diameter of a solid hemisphere is 35 cm. What is its total surface area?
(Take $$\pi = \frac{22}{7}$$)
A sum of money is invested at compound interest, which is compounded annually. The sum grows to ₹1000 after three years, and ₹1100 after four years. What is the rate of interest per annum?
There are 150 students in a school. If the ratio of the number of boys to girls is 4 : 1, then what is the mean proportion between the number of boys and girls in the school?
If $$A = 7 \times 3 \div (2 + 4) + 4 - 2, B = 3 \div 6 \times 4 + 2 - 2 of 3$$ and $$C = 6 \div 2 + 4 \times 3 - 2$$. What is the value of $$(A + B - C)$$?
Pipe A can completely fill an empty tank in 11 hours. Pipe B can empty the same completely filled tank in 15 hours. If they are opened together, in how much time the empty tank will get filled?
The radius of a sphere is equal to the radius of the base as well as the height of a right circular cylinder. What is the ratio of surface area of sphere and curved surface area of cylinder respectively?
Side of a square is first increased by 10% and then decreased by 20%. What is the overall percentage change in area?
