Quantitative Aptitude - Arithmetic Ability Questions

Arjun and Anurag complete a job in 6 days and 7 days respectively. They worked together and earned a total of Rs. 780. Find Arjun's share in this amount in Rs. ?

In a class of 50 students there are 27 girls. The average weight of these girls is 45 kg and average weight of the full class is 49.6 kgs. What is the average weight of the boys of the class?

Among three numbers , second is twice the first and also thrice the third . If the average of the three numbers is 33 , then the largest number is

The smallest number that must be subtracted from 2800 so that the obtained number is a perfect square is

The surface area of a sphere is 1386 cm2.  Find its diameter (in cm)

The volume of a right circular cone, whose radius of the base is same as one-third of its altitude, and the volume of a sphere are equal. The ratio of the radius of the cone to the radius of the sphere is :

The age of Dr. Pandey is four times the age of his son. After 10 years , the age of Dr. Pandey will be twice the age of his son . The present age of Dr. Pandey's son is

Select the odd letters from the given alternatives.