Quantitative Aptitude - Arithmetic Ability Questions

Which is the correct ascending order of the given numbers?

What is the obtuse angle formed by the hands of a clock when the time in the clock is 2:30?

If tanα = 2 - 1, then the value of  tanα - cotα = ?

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.

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

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

Marked price of an item is Rs 300. On purchase of 2 items discount is 24%, on purchase of 5 items discount is 38%. Rachna buys 7 items, what is the effective discount?

If 7 spiders make 7 webs in 7 days , then 1 spider will make 1 web in how many days ?