Question
Quantitative Aptitude Question on Average
A group of 11 natural numbers is arranged in ascending order. The average of the first six numbers is 18 and the average of the last six numbers is 28. If the 7th number is the smallest prime number greater than 20, then what is the sum of all these numbers?
A
253
B
276
C
299
D
241
Answer
299
Explanation
Solution
The correct answer is (C),299