Quantitative Aptitude - Arithmetic Ability Questions

If 2x/3 - [5(4x/5 - 4/3)]/2 = 1/3, then what is the value of x?

25% discount is offered on an item. By applying a promo code a customer wins 10% cash back. What is the effective discount?

If A : B = 1 : 4 and B : C = 2 : 3, then what is A : B : C?

How many natural numbers are there between √261 and √45109?

If by selling an article for Rs. 390 a shopkeeper gains 20% , then the cost is

A bus moves at a speed of 84 km/hr after repairing and moves at a speed of 56 km/hr before repairing. It covers 2x distance in 8 hours after repairing.How much time (in hours) will it take to cover x distance before repairing?

Two cyclists P and Q cycle at 20 km/hr and 25 km/hr towards each other. What was the distance (in kms) between them when they started if they met after 56 minutes?

A can do a piece of work in 20 days and B in 15 days. With help of C, they finish the work in 5 days. C can alone do the work in