Quantitative Aptitude - Arithmetic Ability Questions

When a number is increased by 34, it becomes 117% of itself. What is the number?

46% of 250 is equal to

When a number is increased by 42, it becomes 121% of itself. What is the number?

If (6x ­- 5) = (4x + 7), then the numerical value of (x + 1)3  is

What is the value of cot 11π/6?

A box consist of 5 rupees, 2 rupees and 1 rupee coins and their value are in the ratio of 15 : 4 : 2 respectively. If there are total 112 coins, then how many 2 rupees coins are there in the box?

A's salary was decreased by 50% and subsequently increased by 50%. How much percent does he lose?

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