Quantitative Aptitude - Arithmetic Ability Questions

What is the value of Cot 45° + Cosec 60°?

What is the value of (4a2 + 8b + 14c + 2)/2 ?

If 5x/2 - [7(6x - 3/2)]/4 = 5/8, then what is the value of x?

What is the simplified value of 0.042+0.212-0.00840.043+0.213

In the following question, four number pairs are given. The number on left side of (–) is related to the number of 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 .

One pipe can fill an empty cistern in 4 hours while another can drain the cistern when full in 10 hours. Both the pipes were turned on when the cistern was half-empty. How long will it take for the cistern to be full?

What will be the equation of the perpendicular bisector of segment joining the points (5,­3) and (0,2)?

A person purchased 10 shirts costing Rs 150 per shirt. Next day  he again purchased the shirts costing Rs 150 per shirt at a discount of Rs 30 per shirt and that day he spent a toal of Rs 1800. What is the average cost per shirt (in Rs)?