Quantitative Aptitude - Arithmetic Ability Questions

A boy crosses a 300 metres wide road in 30 seconds. What is his speed (in km/hr)?

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

Alarms from 3 different clocks sound after every 2, 4 and 6 hours, respectively. If the clocks are startedat the same 6 time, how many times do the alarms ring together in 3 days?

A person borrows some money for 8 years at a rate of simple interest. If the ratio of principal and total interest is 5 : 8, then what is the rate ( inpercentage) of interest?

What is the area (in sq cm) of a rectangle if its diagonal is 26 cm and one of its sides is 10 cm?

What is the value of [sin (y – z) + sin (y + z) + 2 sin y]/[sin (x – z) + sin (x + z) + 2 sin x]?

For triangle ABC, what would be the equation of median AD if co-ordinates of A, B and C are (-5,4), (-4,0) and (-2,2) respectively?

Select the odd number from the given alternatives.