Quantitative Aptitude - Arithmetic Ability Questions

What is the value of 1/√2 Cot 30° + 1/√3 Cosec 60°?

The sum of a non-zero number and its reciprocal is 2. What is the number?

Length and breadth of a rectangle are increased by 40% and 70% respectively. What will be the percentage increase in the area of rectangle?

Ankit scored 32, 45 and 49 marks in Physics, English and Philosophy respectively. The maximum marks in each subject is 50. Determine his overall percentage for the three subjects.

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

Select the odd number from the given alternatives.

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

A, B and C can do job in 9, 12 and 36 days respectively if they worked alone. A leaves after they have worked together for 3 days. In how many days can B and C do the rest of the job?