Quantitative Aptitude - Arithmetic Ability Questions

What is the value of (4/3) cot2 (p/6) + 3 cos2 (150) – 4 cosec2 45 + 8 sin (p/2)?

X attempts 94 questions and gets 141 marks. If for every correct answer 4 marks is given, and for every wrong answer 1 mark is deducted, then the number of questions wrongly answered by X is __.

In the following question, select the odd letter pair from the given alternatives.

Select the odd word from the given alternatives.

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

Find the odd word/letters/number 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.