Quantitative Aptitude - Arithmetic Ability Questions

Two trains are moving in the same direction at the speed of 42 km/hr and 84 km/hr, their lengths are 320 metres and 380 metres respectively. What is the time taken (in seconds) by faster train to cross the slower train?

Two equal circles of radius 3 cm each and distance between their centres is 10 cm. The length of one of their transverse common tangent is

What is the curved surface area (in cm²) of a hemisphere of diameter 42 cm?

If 49 is subtracted from the square of a number, then the result obtained is 576. What is the number?

The LCM of 14, 21 and 35 is

Select the odd letters from the given alternatives.

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

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