Quantitative Aptitude - Arithmetic Ability Questions

Which of the following ratio correctly depicts the division of each median of the triangle by the centroid?

What is the reflection of the point (5, 2) in the line x = -3?

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

Which of the following numbers is not composite?

P, Q and R are channels which discharge solutions A,B and C respectively in a tank. When the tank is empty and all the three channels are opened what is the proportion of the solution C in the tank after 3 minutes, if the channels P, Q and R can fill the tank from empty to full in 30 minutes and 20 minutes and 10 minutes respectively when they are opened one at a time.

A man misses a train by 1 hour if he travels at a speed of 4 kmph. If he had increased his speed to 5 kmph, he would gave still missed the train by 24 minutes. At what speed should he have travelled so that he reached the station exactly on time?

Dodecahedron has 30 edges. How many vertices does it have?

In ΔDEF measure of angle E is 90 deg. If cotD = 8/15, and DE = 16cm, then what is the length (in cm) of side EF?