Quantitative Aptitude - Arithmetic Ability Questions

In the following question, select the odd letter/letters from the given alternatives.

When a number is divided by 56, the remainder will be 29. If the same number is divided by 8, then the remainder will be

If cos(A-B) - cos(A+B) = x, then the value of x is

Which of the following condition is sufficient to state that triangle ABC and DEF are similar?

The median of the data -3, 4, 0, 4, -2, -5, 1, 7, 10, 5 is

Which of the following equations has 3 as a root?

The surface area of a sphere is 2464 cm². Find its diameter (in cm).

Ritesh sold a pen for Rs. 36 with a profit of 20%. If it were sold for Rs.33, then what could be the percentage of profit or loss?