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 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.

Compute 4923 / 547 - 10

Divide Rs. 288 in the ratio 2 : 3 : 5 : 6. The rupees in the respective ratios are given by

If the product of two numbers is 2522 and their LCM is 97 then their HCF is

The angle of elevation of the top of a hill at the foot of the tower is 60 deg and the angle of elevation of the top of the tower from the foot of the hill is 30 deg. If the tower is 50 m high, what is the height of the hill?

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

3cosA is equal to

If ax - 4y = -6 has a slope of -3/2. What is the value of a?