Quantitative Aptitude - Arithmetic Ability Questions

Mahmood can do a piece of work in 40 hours. If he is joined by Janaki who is 50% more efficient, in what time will they together finish the work?

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

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

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

If 123 x 356 = 43788, then 1.23 x 0.356 = ?

Rohan sells two articles. The cost price of the first article is equal to the selling price of the second article. The first article is sold at a profit of 40% and the second article is sold at a loss of 40%. What is the ratio of the selling price of the first article to the cost price of the second article?

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.

If x3 – 4x2 + 19 = 6(x – 1), then what is the value of [x2 + (1/x – 4)]?