Quantitative Aptitude - Arithmetic Ability Questions

What is the value of (2/√3 +tan45° ) ?

If a-b=1 and a3-b3 = 61, then the value of ab will be

If A = 400 and B = 600, then A is how much percentage less than B?

In the following question, select the odd word from the given alternatives.

3/5 of my current age is the same as 5/6 of that of one of my cousin. My age ten ago will be his age four years hence. My current age is ___ years.

A sum of Rs 2489 is divided among A, B and C such that if Rs 12, Rs 12 and Rs 5 be diminish from the shares of A, B and C respectively, then theirshares will be in the ratio of 5 : 3 : 4. What is the new share (in Rs) of C?

In a class of 60 students there are 30 girls. The average weight of these girls is 58 Kg and average weight of the full class is 63 kgs. What is the average weight of the boys of the class?

Amar is 2 times as good a workman as Badal and therefore is able to finish a job in 15 days less than Badal. In how many days can they together complete the job?