Quantitative Aptitude - Arithmetic Ability Questions

Both X and Y together can complete a work in 12 days and Y alone can complete the same work in 30 days. In how many days will X alone complete the work?

Simple interest on a certain sum of money for 3 years at 10% per annum is half the compound interest on Rs 6000 for 2 years at 10% per annum. The sum placed on simple interest is

The ratio of sand to gravel in a mixture is 17:8 while that between gravel and cement is 6:17. What is the ratio of sand to cement in the mixture?

What is the simplified value of (cotA + tan B)/(cot B + tan A)?

If Tan θ = 4/3, then what is the value of Sin θ?

If Tan θ = 4/3, then what is the value of Sin θ?

The sum of three numbers is 67. If the ratio of the first number to the second number is 3 : 5 and that of the second number to the third number is 4 : 7, then what is the second number ?

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