Quantitative Aptitude - Arithmetic Ability Questions

What will come in the place of question mark (?) in the following question (You do not have to calculate the exact value)?

(184.002 - 29 ÷ 5) × 29.997 = ?

What is the average of all numbers between 9 and 90 which are divisible by 8?

Mr. Raghav taught Geometry for 36 hours. If the time taken in teaching Ratio consitutes one-fourth of the time for Arithmetic, then for how much time (in hours) did he taught the topic of Ratio?

Calculate the value of 61681 x 61681 - 31681 x 3168130000?

Square of (3x – 5xy) is

If 3x2 = 102 - 52, find the value of x?

An article was sold at Rs. 950 allowing 5% discount on the marked price. The marked price of the article is

Find the odd word/letters/number pair from the given alternatives.
(A) 52­61 (B) 43­54 (C ) 72­83 (D) 18­29