Quantitative Aptitude - Arithmetic Ability Questions

What is the value of 23+5252-23 ?

What is the reflection of the point (-4, 3) in the line x = -2?

Rizvan walks at 15 km/hr and Ruchitha cycles at 20 km/hr towards each other. What was the distance between them when they started if they meet after 42 minutes?

Both X and Y together can complete a work in 12 days and Y alone can complete the same work in 30 days. In how many days will X alone complete the work?

If a+b-62+a2b2+1+2b=2ab+2a, then the value of a is 

If Sin θ = 12/13, then what is the value of Cot θ?

Select the odd word/letters/number/number pair 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.