Challenger App

No.1 PSC Learning App

1M+ Downloads
What is the average of the first 5 multiples of 12?

A60

B36

C48

D50

Answer:

B. 36

Read Explanation:

The first 5 multiples of 12 are 12, 12 x 2, 12 x 3, 12 x 4, 12 x 5 = 12 (1 + 2 + 3 + 4 + 5) = 12 x 15 The average of the first 5 multiples of 12 = (12 x 15) / 5 = 12 x 3 = 36


Related Questions:

ആദ്യത്തെ 97 എണ്ണൽ സംഖ്യകളുടെ ശരാശരി ?
The average of 5 members of a family is 24 years. If the youngest member is 8 years old, then what was the average age (in years) of the family at the time of the birth of the youngest member?
There are 34 students in a class. The average weight of the class is 35 kg. If two new students joined the class, the average weight increases by 2 kg. Find the total weight of the two new students who joined the class?
A class of 30 students appeared in a test. The average score of 12 students is 80, and that of the rest is 75. What is the average score of the class?
The average monthly salary of five friends is Rs. 62,000. Surinder, one of the five friends, got promotion and a hike in the salary. If the new average of their salaries is Rs. 64, 250, then how much is the increase in the monthly salary of Surinder?