Quantitative Aptitude - Arithmetic Ability Questions

When Vijay sells 12 pens, he gains the selling price of 2 pens. Calculate his % profit?

A shop keeper purchased 10 kg of rice and 20 kg of sugar at Rs. 75 and Rs. 85 per kg respectively. On selling, he gained 20% on rice and 10% on sugar. What was the total sale price?

Ms. Alina borrowed Rs.650 at 6% per annum simple interest. What amount will she pay to clear her debt after 4 years?

What will be the value of a3+b3, if a2+b2=32 and a+b=8 ?

32% of a number exceeds 17% of the same number by 120. What is the value of the number?

Dodecahedron has 30 edges. How many vertices does it have?

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

In the following question, four number pairs are given. The number on left side of (–) is related to the number on the right side of (–) with some Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.