Quantitative Aptitude - Arithmetic Ability Questions

∆ABC is right angled at B. If m∠A = 45°, then find the value of (coseC + 1/√3).

The marked price of an article is Rs. 5000. But due to a special festive offer a certain percent of discount is declared. Mr. X availed this oppurtunity and bought the article at reduced price. He then sold it at Rs. 5000 and thereby made a profit of 11 1/9%. The percentage of discount allowed was?

Find out the odd word/letters/number/number pair from the given alternatives.

If a2+b2+c2=83and a+b+c=15 then the value of ab+bc+ca is

If x/y = 4/9, then what is the value of (7x2 – 19xy + 11y2)/y2 ?

The third proportional of two numbers 9 and 24 is

A cuboid has dimensions 8 cm x 10 cm x 12 cm. It is cut into small cubes of side 2 cm. What is the percentage increase in the total surface area?

On a certain principal if the Simple interest for two years is Rs 3000 and Compound interest for the two years is Rs 3225, what is the rate of Interest?