Quantitative Aptitude - Arithmetic Ability Questions

What is the value of 1+aa1/2+a-1/2-a1/2+a-1/21+a+a-1/2 ?

If 35% are the passing marks. A student gets 200 marks yet fails by 24 marks. What is the maximum marks?

Cost price of a refrigerator is Rs 13400. If loss percentage is 4%, then what is the selling price (in Rs) of the refrigerator?

∆XYZ is right angled at Y. If tanX = 24/7, then what is the value of cotZ ?

If 7x - (3/2) * (4x - 9) = 6.5, then the value of x is?

A retailer marks up his goods by 150% and offers 40% discount. What will be the selling price (in Rs) if the cost price is Rs 800?

A car travels 80 km in 2 hours and a train travels 180 km in 3 hours . The ratio ofspeed of the car to the train is

In a triangle the length of the side opposite the angle which measures 30 degree is 12 cm, what is the length of the side opposite to the angle which measures 60 degree?