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?

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

If sin - 4π/3 = x, then the value of x is

If one-third of a number is 45, then what will be the 45% of that number?

If A is equal to 20% of B and B is equal to 25% of C; then what percent of C is equal to A?

A line cuts two concentric circles. The lengths of chords formed by that line on the two circles are 4 cm and 16 cm. What is the difference (in cm2) in squares of radii of two circles?

In the following question, select the odd letters from the given alternatives.

Sharmi starts from Pune and Ritesh starts from Mumbai to meet each other. The Speed of Sharmi is 37 kmph, while the speed of Ritesh is 41 kmph. If the distance between Pune and Mumbai be 234 km and both Sharmi and Ritesh start their journey at the same time, when they will meet?