Quantitative Aptitude - Arithmetic Ability Questions

A fan was sold for Rs. 3600 at a loss of 4%. What would be the gain or loss percent ifit was sold for Rs. 4200?

Mahmood can do a piece of work in 40 hours. If he is joined by Janaki who is 50% more efficient, in what time will they together finish the work?

Azhar can complete a journey in 10 hours. He travels the first half of the journey at a speed of 21 km/hr and the balance at 24 km/hr. Find the total distance in km?

X can complete a task in 8 days, whereas Y can complete the same task in 10 days. If they work together, in how many days will the task be completed?

What is the measure of the central angle of the sector whose area is 462 sq cm and radius of the circle is 21 cm?

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

Which one among the following does not belong to the group?

Δ PQR is right angled at Q. If m√R = 30°, then what is the value of Cot P?