Quantitative Aptitude - Arithmetic Ability Questions

Two trains start moving from stations S and R. Both trains move towards each other at speeds of 35 km/hr and 42 km/hr respectively. When they meet each other, the second train has travelled 90 km more than the first. What is the distance (in km) between S and R?

Deksha borrowed Rs. 500 at 5% per annum S.I. What amount (in Rs.) will she pay to clear her debt after 4 years?

If A alone can do a job in 40 days then, in how many days can B alone do the job if together they can do the job in 8 days?

What is the equation of the line which intercepts x­axis and y­axis at 3/4 and ­2/3 respectively?

What is the quotient when 1359 is divided by 48?

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

Three runners A,B and C run a race, with runner A finishing 12 meters ahead of runner B and 18 meters ahead of runner C, while runner B finishes 8 meters ahead of runner C. Each runner travels the entire distance at a constant speed. The length of the race is

cos(A+B) + cos(A-B) is equal to