CSIR NET 2022 || General Aptitude || Numerical Ability (24.01.2022)

In a right circular cylinder, the ratio of the curved surface area to the total surface area is 2 : 5. Find the ratio of the height to the radius of the cylinder.

The product of two positive numbers is 972 and their quotient is . The numbers are:

A train, 100 m long, is running at a speed of 64 km/h. Find the time taken by it to pass a man who is running at 8 km/h in the direction opposite to that of the train.

The pie-chart shows the percentage of inter-state sports competitions in different years from 2012 to 2018.Considering the total number of inter-state sports competitions to be 200, find the total number of inter-state sports competitions held in 2012, 2013, 2017 and 2018.

The sides of a triangle are in the ratio 3 : 4: 5 the triangle is:

The sum of the roots of the equation x² – 11x + 30 = 0 is:

If among four numbers, the second is thrice of the first, the third is four times the second, the fourth is five times the third, and the mean of the four numbers is 1900, then the smallest number is:

If sec θ – cosec θ = 0, then the value of 2 sin 2θ - 3 cos 2θ is:

If a : b = 2 : 5, b : c = 5 : 8, c : d = 8 : 11, then a : d is:

If the selling price of 10 pens is equal to the cost price of 15 pens, then the gain per cent is: