Quantitative Aptitude - Arithmetic Ability Questions

ΔABC is an isosceles right angled triangle having ∠C = 90°. If D is any point on AB, then AD2+ BD2 is equal to

What is the value of (cos 45 - 1/3) ?

The average runs conceded by a bowler in 5 matches is 45 and 15.75 in other 4 matches. What is the average runs conceded by the bowler in 9 matches?

A shopkeeper by selling 13 Titan watches, earns a profit equal to the selling price of 3 Titan watches. His profit percentage is

The time taken by a train 160 m long, running at 72 km/hr, in crossing an electric pole is

If the ratio of cost price and selling price be 10:11, then the profit percentage is

What is the ratio of simple interest earned on certain amount at the rate of 12% for 6 years and that for 12 years?

The average of three numbers is 40. First number is 4/3 of the third number. If third number is 20 less than second number, then what is the value of second number?