Quantitative Aptitude - Arithmetic Ability Questions

The distance between two cities X and Y is 270 km. First train starts from X at 7:00 a.m. and travels towards Y at 40 km/hr. Second train starts from Y at 8:30 a.m. and travels towards X at 30 km/hr. At what time (in a.m.) will both the trains meet?

Two numbers are 10% and 20% lesser than a third number respectively. By how much percent is the second number should be enhanced to make it equal to the first number?

What is the distance between the points (11,-5) and (-1,0)?

Five men or ten women can complete a job in 20 days. In how many days can 3 men and 4 women complete it?

A train crosses a 550 m long platform in 36 seconds. How long was the train if it was travelling at the speed of 70 kmph?

The bus fare between two cities is increased in the ratio 1:2. Find the increase in the fare, if the original fare is Rs. 175.

Select the related word/letters/number from the given alternatives.
1 : 8 :: ? :64

The 2nd and 6th term of an arithmetic progression are 8 and 20 respectively. What is the 20th term?