Quantitative Aptitude - Arithmetic Ability Questions

If x+1x=5,then the value of x1+x+x2 is

If 8x/3 + [7(5 - 2x/3)]/2 = 1/2 , then what is the value of x?

What is the quotient when 7251 is divided by 66?

Mohan earns a profit of 20% on selling a jean at 15% discount on printed price. The ratio of the cost price to printed price of the jean is

The sum of the ages of Rohit and Ankit is 78. Rohit's age is twice the age of Ankit. What is the age (in years) of Rohit?

A man covered a certain distance by a train at the speed of 40 km/hr and covers the same distance back by walking at the speed of 8 km/hr. Ifthe whole journey took 12 hours, then what is the one side distance (in km)?

A train crossed a 140 m long platform in 15 seconds and a 180 m long platform in 17 seconds. The speed of the train was

A non-zero number is greater than 7 times its reciprocal by 9.3. What is the number?