Quantitative Aptitude - Arithmetic Ability Questions

The areas of two similar triangles ΔABC and ΔPQR are 36 sq cms and 9 sq cms respectively. If PQ = 4 cm then what is the length of AB (in cm)?

A missile travels at 1278 km/h. How many metres does it travel in one second?

If 14.35 - (1.956 - x ) - 83.92 = 3.858 then what is the value of x?

Which of the following quadratic equations has real roots?

If the amount received at the end of 2nd and 3rd year at Compound Interest on a certain Principal is Rs 28090, and Rs 29775.4 respectively, what is the rate of interest?

What number, from the following should be deducted from 1184 to make it exactly divisible by 21?

A train 110 metres long is running with a speed of 60 kmph . In what time will it pass a man who is running at 6 kmph in the direction opposite to that in which the train is going ?

R and S started a business by investing Rs 165000 and Rs 195000 respectively for the same period of time. If R’s share in the profit earned by them is Rs 11000, then what is the total profit (in Rs) earned by both of them together?