Quantitative Aptitude - Arithmetic Ability Questions

In a class when a test is conducted, mean of 25 students marks is 60 if mean of first 13 students marks is 70 and mean of last 13 students marks is 50 find the marks of the middle student when arranged in the ascending order.

If 5(4 - x) - 4 > 5x -2 > 2x - 6, then the value of x is

Marked price of an item is Rs 300. On purchase of 2 items discount is 24%, on purchase of 5 items discount is 38%. Rachna buys 7 items, what is the effective discount?

Select the odd word/letters/number/number pair from the given alternatives.

If 9x = 24311, then what is the value of x?

What is the reflection of the point (4, 7) in the line y = -1?

If sinθ + cosθ = 1, then the sinθ cosθ is equal to

Which of the following equations has 3 as a root?