Quantitative Aptitude - Arithmetic Ability Questions

Find the odd word/number/letters 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.

In what ratio should Darjeeling Tea costing Rs. 400 per kg be mixed with Assam Tea costing Rs. 300 per kg. So that by selling the mixture at Rs. 408 per kg, there is a gain of 20%?

The income of Rahul is Rs 60000 and his expenditure is Rs 40000. If his income is increased by 20% and expenditure in increased by 15%, then what will be the percentage increase in his savings?

The sum of two numbers is equal to thrice their difference. If the smaller of the numbers is 10 find the other number.

Two equal circles of radius 3 cm each and distance between their centres is 10 cm. The length of one of their transverse common tangent is

If the difference between the measures of the two smaller angles of a right angled triangle is 8°, then the smallest angle is

Find the number of prime factor of 20790.