For the following questions answer them individually
The ratio of speeds of two aeroplanes is 7 : 15. If the first flight covers a distance of 1050 km in 3 hours, then what is the speed of the 2nd flight?
The ratio between the volume (in cm$$^3$$) and the curved surface area (in cm$$^2$$) of a cylinder is numerically 14 : 1. If the height of the cylinder is 50 cm, then what is the volume of the cylinder?(Take $$\pi = \frac{22}{7}$$)
A student obtained 32% marks and he failed by 6 marks. If he had scored 36% marks, he would have been passed by 2 marks. What is the passing marks(score)?
The difference of the cubes of the two numbers is 999. The numbers are in the ratio of 4 : 3. What is the square of the smaller number?
6 pencils cost ₹30 and 12 pens cost ₹120. What is the average cost of 50 pencils and 50 pens?
A man starts off on a journey. He travelled for 16 hours in total. The first half of the distance was covered at 40 km/h and the second half at 60 km/h. What was the distance covered?
The following bar chart shows the quantity (in million kg) of grains exported by a country from 2013-2018.
By how much percent is the maximum export greater than the minimum export during the given period?
What is the sum of the digits of the largest six-digit number divisible by 3, 4, 5 and 6?