App Logo

No.1 PSC Learning App

1M+ Downloads
The average of 11 numbers is 40. The average of first five numbers is 45 and that of last five numbers is 38. Then find the sixth number?

A25

B26

C27

D28

Answer:

A. 25

Read Explanation:

Total value of 11 numbers = 40*11 = 440 Total of first five numbers = 45*5 = 225 Total of last five numbers = 38*5 = 190 Sixth number = 440 – (225 + 190) = 25


Related Questions:

The sum of five numbers is 655. The average of the first two numbers is 76 and the third number is 103. Find the average of the remaining two numbers?
A team of 8 persons joins in a shooting competition. The best marksman scored 85 points. If he had scored 92 points, the average score for the team would have been 84. The number of points, the team scored was
What is the average of the first 100 even numbers?
ശരാശരി 48 km/hr വേഗതയിലുള്ള ഒരു കാർ 5 മണിക്കൂർ കൊണ്ടാണ് ഒരു നിശ്ചിത ദൂരംപിന്നിട്ടത്. അത്രയും ദൂരം 2.5 മണിക്കൂർ കൊണ്ട് എത്തണമെങ്കിൽ കാറിന്റെ ശരാശരി വേഗത എത്രയായിരിക്കണം ?
The mean of x, x + 3, x + 5, x + 7, x + 10 is 9. What is the mean of the first 3 observations?