Quantitative Aptitude - Arithmetic Ability Questions

In the following question, select the odd word from the given alternatives.

The ratio of the cost price and selling price of a bulb is 15 : 18. What is the profit percentage?

If Mohan purchase 13 articles for Rs 12 and sells all the articles at the rate of 12 articles for Rs 13, then what will be the profit percentage?

A can do a work in 21 days and B in 42 days. If they work on it together for 7 days, then what fraction of work is left?

The area of a trapezium is 21 sq cm, the distance between the parallel sides is 3 cm and one of the parallel sides is 8.3 cm. What is the length of the other parallel side?

The LCM and HCF of two numbers are 4284 and 32, respectively. If one of the numbers is 672, then the second number is;

What approximate value should come at the place of question mark (?) in the following questions (You are not expected to calculate the exact value).

(111.93 × 5) ÷ 14.02 = 11.002 + ?

30 women do half of the total work in 30 days. How many more women will be required to complete the remaining work in 10 days?