Quantitative Aptitude - Arithmetic Ability Questions

In triangle ABC, AB = 8 cm, angle A is bisected internally to intersect BC at D. BD = 6 cm and DC = 7.5 cm. What is the length of CA?

Which one is the largest among the fractions (5/113), (7/120), (13/145) and (17/160)?

Find the maximum area of a rectangular field which is surrounded by a rope of 100 meters?

What is the value of tan 1° tan 2° tan 3°....... tan 89°?

When a number is increased by 18, it becomes 106% of itself. What is the number?

The marked price of a book is Rs 4200. The shopkeeper gives two successive discounts of 25% and y% to the customer. If the customer pays Rs 2898 for the book, then what is the value (in percentage) of y?

The least number of square tiles of side 41 cms required to pave the ceiling of a room of size 15m 17cm long and 9m 2 cm broad is:

The perimeter and the length of one of the diagonals of a rhombus is 34 cm and 8 cm respectively. Find the length of its other diagonal (in cm).