Quantitative Aptitude - Arithmetic Ability Questions

If x + (1/x) = (√3 + 1)/2, then what is the value of x4 + (1/x4)?

If x + (1/x) = 2, then what is the value of x21 + (1/x1331)?

Reduce 3596 / 4292 to lowest terms.

What is the value of Tan 60 + Cosec 60?

Ravi has a roadmap with a scale of 1.5 cm for 18 km. He drives on that road for 72 km. What would be his distance covered in that map.

The average age of 24 students is 12 years. It was observed that while calculating the average age, the age of a student was taken as 14 years instead of 8 years. What will be the correct average age (in years)?

Select the odd letters from the given alternatives.

The marked price of a helmet is 30% more than its cost price. If the helmet is sold for Rs 744 after a discount of Rs 36, then what will be the profit percentage?