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 = ?

In the given figure, AB = 30 cm and CD = 24 cm. What is the value (in cm) of MN?

What is the value of [tan2 (90 – θ) – sin2 (90 – θ)] cosec2 (90 – θ) cot2 (90 – θ)?

By selling 175 pineapples, the gain is equal to the selling price of 50 pineapples. What is the gain percentage?

In a school 60% of the students are girls. If number of boys is 480, then what is the total number of students in the school?

Area of 4 walls of a cuboid is 448 sq cm, its length is 18 cm and height is 8 cm. What is its breadth (in cm)?

15 years ago Cynthia was thrice as old as Brittany. The sum of their present ages is 94 years. How old is Brittany now?

A librarian purchased 60 story books for his library. But he found that he could get 4 extra books by spending Rs 336 more and then the overall average price per book would be reduced by Re 1. The previous average price of each book was