Quantitative Aptitude - Arithmetic Ability Questions

Speeds of a boat along the current and against the current are 14 km/hr and 7 km/hr respectively. What is the speed of boat (in km/hr) in still water?

The value of ds+t÷ds÷dt

A dealer sells a machine having marked price as Rs 3840 at a discount of 20%. What is the selling price (in Rs) of the machine?

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

A bank offers 20% compound interest calculated on half year basis. A customer deposits Rs 9200 each on 1st January and 1st July of a year. At the end of the year, the amount he would have gained by way of interest is

If x/y = 2/3, then what is the ratio of (3x + 2y) and (3x – y)?

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

What is the value of sin 75°+ sin 15°?