Quantitative Aptitude - Arithmetic Ability Questions

If a = 1/a-5, then the value of a + 1/a = ?

The circumference of a circle is 88 cm, find its area?

(242699 + 167109) ÷ (9946 –9446) = ?

Ravindra walks at 6 km/hr and Riya cycles at 11 km/hr towards each other. What was the distance between them when they started if they meet after 42 minutes?

Cost price of 28 articles is equal to Sale price of 21 articles, then percentage of profit is

30% discount is offered on an item. By applying a promo code the customer wins 5% cash back. What is the effective discount?

If C = 1200 and D = 1500, then D is how much percent more than C?

If x + √5 = 5 + √y, and x, y are positive integers, then the value of x+yx + y