Quantitative Aptitude - Arithmetic Ability Questions

Find the total surface area (in cm2) of a cuboid of length, breadth and height of 10.5 cm, 8 cm and 9 cm respectively.

What is the measure of an interior angle of a regular dodecagon?

Which of the following numbers is divisible by 9?

Pick the odd one out from the following

Four pairs of words are given below out of which three are alike in some manner and one is different. Which is different from the rest?

n an alloy, lead and tin are in the ratio of 2 : 3. In the second alloy, the ratio of same elements is 3 : 4. If equal quantities of these two alloy are mixed to forma new alloy, then what will be the ratio of these two elements in the new alloy? 

If 2/3 of a pizza costs Rs.300, then 3/5 of a pizza will cost

The sum of a non-zero number and twenty times its reciprocal is 9. What is the number?