For the following questions answer them individually
Study the following graph and answer the question based on the graph.
How many teachers are aged 45 years or more but less than 50 years?
A mobile phone was sold for ₹31,500 after giving two successive discounts of 30% and 10%, respectively. What was the marked price of the mobile?
Given that $$2^{20} + 1$$ is completely divisible by a whole number, which of the following is completely divisible by the same number?
The volume of the water in two tanks, A and B,is in the ratio of 6 : 5. The volume of water in tank A is increased by 30%. By what percentage should the volume of water in tank B be increased so that both the tanks have the same volume of water?
The volume of a tank is 72 cubic metres. Water is poured into it at the rate of 60 litres per minute. How much time will it take to fill the tank?
Study the following graph and answer the question based on the graph.
On which day the production was $$\frac{1}{5}th$$ of the total production?
In a circle of radius 10 cm, PQ and RS are two parallel chords of lengths 16 cm and 12 cm, respectively. What is the distance between the chords if they are on opposite sides of the centre?
In the given figure, AP is perpendicular to BC, and AQ is the bisector of angle A. What will be the measure of angle PQA ?
Salma buys an article and then sells it for $$₹ 810.$$ If she loses 10%, then at what price should she sell it to gain 4%?