Quantitative Aptitude - Arithmetic Ability Questions

Which of the set of three sides can't form a triangle?

A girl walking at the speed of 2 km/hr covers a certain distance in 7 hours 30 minutes. If she covers the same distance by cycle in 5 hours, then what is the speed (in km/hr) of cycle?

Two trains are moving in the same direction at the speed of 23 km/hr and 77 km/hr. The time taken by faster train to cross a man sitting in the slower train is 40 seconds. What will be the length (in metres) of the faster train?

ΔPQR is right angled at Q. If secP = 13/5, then what is the value of sinR ?

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

Find out the odd word/letters/number/number pair from the given alternatives.

A bank offers 15% compound interest per half year. A customer deposits Rs 7200 each on 1st January and 1st July of a year. At the end of the year, the amount he would have gained by means of interest is

If P : Q = 9 : 7, then what is the value of (P – Q) : (P + Q)?