Quantitative Aptitude - Arithmetic Ability Questions

The list price (marked price ) of an article is Rs. 900 and is available at two successive discounts of 20% and 10% ; the selling price of the article,in rupees, is

Δ DEF is right angled at E. If m∠F = 45, then what is the value of Sin F x Tan F?

One number is 25% of another number. The larger number is 12 more than the smaller. The large number is

The difference between the selling prices of an article sold at 4% and 3% profits is Rs.3 The cost price of the article is :

Chandan is 2 years older than Ankit but 1 year younger than Sumit. Ankit is twice as old as Khushboo. If Khushboo's age is 25 years, what is the age (in years) of Sumit?

Determine the value of  'a' which satisfies the equation 9a + 40a = 41a

Each question contains Quantity I and Quantity II. Read the contents clearly and answer your questions accordingly.

Quantity I: if the length of a rectangle is increased by 20% while the breadth of the rectangle is decreased by 10% then find percentage change in area of the rectangle?

Quantity II: if the side of a triangle is increased by 30% while the height of a triangle is decreased by 20% then find the percentage change in area of the triangle?

If Cos θ = 15/17 , then what is the value of Cosec θ?