Quantitative Aptitude - Arithmetic Ability Questions

In an isosceles triangle ABC, AB = AC and ∠A = 80°. The bisector of ∠B and ∠C meet at D. The ∠BDC is equal to

A train moves at a speed of 35 m/sec and crosses a tunnel of length 960 metres, in 40 seconds. What is the length (in metres) of the train?

Pipe A can fill an empty cistern in 4 hours while along with Pipe B it can fill it up in 3 hours. Only Pipe A is turned on for an hour after which Pipe B is also turned on. How much total time will it take to fill up the cistern?

The ratio of two numbers is 5 : 9 and their difference is 44. What will be the smaller number among both the numbers?

Find the greatest number which on dividing 1580 and 3800 leaves remainders 8 and 1 respectively.

What is the area of the square, if the length of its diagonal is 13√2 units?

Select the odd word/letters/number/number pair from the given alternatives.

If the difference between the compound interest and the simple interest on a certain sum at the rate of 5% per annum for 2 years is Rs. 20, then the sum is