Quantitative Aptitude - Arithmetic Ability Questions

The price of an article is cut by 31%, to restore to its original value, the new price must be increased by

Tanya got an increment of 15% in her salary. If her enhanced salary is Rs.14,030. What was her original salary?

What is the value of tan 6° tan 36° tan 84° tan 54° tan 45°?

If 3+12=x+3y, then the x+y is 

What is the value of √2 Sec 45° + (1/√3)Tan 30°?

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 options.

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

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