Challenger App

No.1 PSC Learning App

1M+ Downloads
What is the average of the first 10 even numbers?

A10

B11

C5.5

D5

Answer:

B. 11

Read Explanation:

Average of first n even numbers= n+1 n+1 = 10+1 = 11


Related Questions:

The average of first 126 odd natural numbers, is:
40,35, 22, 23, x എന്നീ സംഖ്യകളുടെ ശരാശരി 28 ആയാൽ x-ൻറ വില എന്ത്?
If the n th term of an AP is 2n+1. Then the sum of first three terms is
8 കുട്ടികളുടെ ഉയരങ്ങളുടെ മാധ്യം 152 cm. ഒരു കുട്ടികൂടി വന്നുചേർന്നപ്പോൾ മാധ്യം 151 cm . വന്നു ചേർന്ന കുട്ടിയുടെ ഉയരം എത്ര?
The average monthly salary of Sailesh is Rs 75,000 for 12 months (from January to December). If the salary that he receives in January and February is removed, the average salary falls by 15,000. What is the average of the salaries received in January and February?