What value will come in place of question mark (?) in the following question?

∛1728 + ∛343 - ∛9261 = ?

What was the share of Iran in total oil production by OPEC countries in year 2009?

What value will come in place of question mark (?) in the following question?

(0.729)⁹⁸ ÷ 0.81⁶⁹ = (0.729)^?

Each question contains a statement followed by two quantities I and II. Read the following information carefully and answer your questions accordingly.

Quantity I: The sum of present ages of A, B and C is 42 years and the ratio of their present ages is 2: 1: 3 respectively. What will be the age of C after 12 years from now?

Quantity II: Ages of A and B before four years was in the ratio 4: 5 respectively and the ratio of their ages after 10 years will be 15: 17 respectively. What will be the age of B after 10 years?

What is the approximate average production of the all OPEC countries (in mb/day) for the given period?

In the following questions, two statements numbered I and II are given. On solving them we get two quantities: Quantity I and Quantity II respectively. Solve for both the quantities and choose the correct option.

Quantity I: If successive discounts of 4%, 10% and 25% is provided on an article, what is the overall percentage discount provided?

Quantity II: 36%

Find the wrong term in the series given below.

2, 21, 59, 116, 186, 287

Ram invested Rs. 15,000 @ 10% per annum for one year. If the interest is compounded half yearly, then what amount Ram will receive at the end of the year?

What value will come in place of question mark (?) in the following question?

80/2  + 6 x 11 = ? +  490/7  - 16 

In an examination, the average marks of 8 students was found to be 66. On re-checking it was found that marks of one student was misprinted 48 instead of 84 and 24 instead of 42. What is the increase in the average marks after re-checking?