What is the slope of the line perpendicular to the line passing through the points (-5, 1) and (-2, 0)? 

The following histogram shows the height of players of a basketball team of a school.

How many players have height less than 141 cm?

The ratio of present ages of Shankar and Mohan is 7: 8 respectively. Four year hence this ratio becomes 9: 10 respectively. What is Shankar’s present age in years?

The following table shows the number of units of product produced and sold by a company over the course of six years.

The number of units of product sold in 2016 is approximately what percent more than the average number of units produced from 2012 to 2016?

What is the greatest common factor of 2³ × 7² and 2⁵ × 3¹?

Which of the following numbers is divisible by 11?

The real number to be added to 13851 to get a number that is divisible by 87 is :

If A: B = 4:5 and B:C= 3: 7 . What is the value of C:A?