Quantitative Aptitude - Arithmetic Ability Questions

24 men can do a piece of work in 17 days.How many men will be able to do it in 51 days ?

In a class of 56 students there are 28 girls. The average weight of these girls is 46 kg and average weight of the full class is 51 kgs. What is the average weight of the boys of the class?

The average marks obtained by Raghav in 12 tests is 24. Zubeida has maintained an average of 23 so far but has taken only 9 of the tests. If each test is out of 30, at least how much Zubeida score in any one of the remaining three tests to still have a chance to match Raghav's performance?

If sec -7π/4 = x, then the value of x is

The difference between the compound interest (compounding annually) and simple interest on a sum at the rate of 12% per annum for 2 years is Rs 360. What is the sum (in Rs)?

If x = cosecθ - sinθ and y = secθ - cosθ, then the relation between x and y is

What is the simplified value of (sin A – cosec A)(sec A – cos A) (tan A + cot A)?

Coefficient of x in (x + 9)(8 - 5x) is