Quantitative Aptitude - Arithmetic Ability Questions

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

What is the simplified value of (1– sin A cos A)(sin A + cos A)?

There are two buckets, smaller bucket can hold only 3/5th of the water as compared to the larger bucket. If 6,000 buckets of larger capacity are needed to fill a pond. Then how many smaller capacity buckets are needed to fill the same pond?

3/5 of my current age is the same as 5/6 of that of one of my cousin. My age ten ago will be his age four years hence. My current age is ___ years.

Asif is twice as good as workman as Bashir and together they finish a piece of work in 30 days. In how many days will Asif alone finish the work?

The average of 6 consecutive integers is 15/2. What is the average of last three integers?

What is the value of (2/√3 +tan45° ) ?

Rahul nd Raghav are 110 km apart from each other and they started horse-riding towards each other at same time at a speed of 20 kmph and 24 kmph. After how many hours of riding will they be a distance of 22 km?