Quantitative Aptitude - Arithmetic Ability Questions

Two successive discounts of 10% and 20% are equivalent to a single discount of

If 2x + (9/x) = 9, then what is the minimum value of x2+1x2 = ?

X and Y are the mid points of sides AB and AC of a triangle ABC. If BC+XY=12 units, then BC-­XY is

If 10% loss is made on selling price, then the rate of loss on the cost price will be

Yayati sold an item at a loss of 13%. If he had sold it for Rs. 49 more, he would have made a profit of 22%. What should be the selling price of the item to gain a profit of 30%?

A man travels 800 km in partly by rail and partly by steamer. He spends 7 hours more time on steamer. If the velocity of the steamer is 20 km/hr and the velocity of rail is 55 km/hr, how much distance does he cover by steamer?

Average of all even numbers between 104 and 148 is __________.

If a - b = -5 and a2+b2=73, then find ab.