Quantitative Aptitude - Arithmetic Ability Questions

Sumit and Amit undertook a work for Rs 7200. Sumit alone can do the work in 5 days and Amit alone can do the work in 4 days. If they work together,then what will be the difference (in Rs.) in the amount they receive?

In a triangle ABC, if ∡A +∡C = 140° and ∡A + 3∡B = 180°, then ∡A is equal to

What is the slope of the line 2x + 3y = 12?

What is the sum of the first 12 terms of an arithmetic progression if the first term is -19 and last term is 36?

Find the value of 6732.8 + 673.28 + 67.328 + 6.7328 + 0.67328 ?

What is the slope of the line perpendicular to the line passing through the points (­6,3) and (2,7)?

The difference between Charles' and Shriya's ages is 6 years. When they married each other 30 years ago, 4 times Charle's age was the same as 5 times the age of Shriya. What is the current sum of their ages?

Two circles with centres P and Q touch each other externally. A straight line drawn through the point of contact intersects the circle with centre P at A and the circle with centre Q at B. Then, which of the following is true?