Quantitative Aptitude - Arithmetic Ability Questions

The sum of two positive integers is 80 & difference between them is 20. Then what is difference of squares of those numbers ?

If x + 1/x = 6, then value of x2 + 1/x2 is

Mr. Kapur purchased two toy cycles for Rs 750 each. He sold these cycles, gaining 6% on one and losing 4% on the other. The gain or loss percent in the whole transaction is

Gautam goes to office at a speed of 12 kmph and returns home at 10 kmph.His average speed is

At 10% discount the selling price of a toaster is Rs 18000, what is the selling price if the discount is 37.5%?

The tops of two poles of height 60 metres and 35 metres are connected by a rope. If the rope makes an angle with the horizontal whose tangent is 5/9 metres, then what is the distance (in metres) between the two poles?

Rajesh buys a table of Rs 900 and sells it. Rajesh gives two successive discount of 10% and 20% to the customer. What will be the selling price (in Rs) of the table?

For the inequation x^2–7x + 12 > 0, which one of the following is correct ?