Quantitative Aptitude - Arithmetic Ability Questions

In the following question, four number pairs are given. The number on left side of (–) is related to the number of 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 .

The value of Cot17°Cot73°Cos222° + 1Cot17°Sec268° is

Which single discount will be equal to two successive discounts of 12% and 5%?

Weight of Ayush and Abhishek are in the ratio of 6:11. Abhishek's weight increases by 25% and total weight of Ayush and Abhishek both increases by 40%. If total weight becomes 119 kg, then wat is the weight (in kg) of Ayush after the increment?

Coefficient of x in (x + 9)(8 - 5x) is

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

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

The distance between the centres of two circles is 61 cm and their radii are 35 cm and 24 cm. What is the length (in cm) of the direct common tangent to the circles?