Quantitative Aptitude - Arithmetic Ability Questions

If a person walks at 12 km/hr instead of 10 km/hr, he would have walked 1 km more in the same time. What is the actual distance (in kms) travelled by him at 10 km/hr in the same time?

Anil is twice as good as workman as Bimal and together they finish a piece of work in 9 days. In how many days will Anil alone finish the work?

The marked price of an article is 10/7 of the cost price and the selling price of that article is 4/5 of the marked price. What is the profit percentage?

What is the least number of complete years in which a sum of money put out at 40% annual compound interest will be more than trebled?

If a boat goes a certain distance at 30 km/h and comes back the same distance at 20 km/hr, what is the average speed (in km/hr) for the total journey?

What is the simplified value of sin2(90–θ)–[sin(90–θ)sinθ/tanθ]?

Of the 3 numbers whose average is 22, the first is 3/8th the sum of other 2. What is the first number?

16/3 =