Railways
Sample Paper
RRB (Assistant Loco Pilot & Technician) Sample Test Paper-14
question_answer
The average of 5 positive numbers in 344. The average of the first two numbers is 650 and the average of the last two numbers is 100. What is the third number?
A) 200
B) 210
C) 180
D) None of these
Correct Answer:
D
Solution :
Third number \[=5\,\,\,\,344-2\,\,\,650-2\,\,\,\,100\] \[=1720-1300-200=220\]