Question

5. What will be the average of first ten counting
numbers?
(a) 7
(b) 5 (c) 5.5 (d) 6.5
6. Find the average of first six multiple of 3 is
(a) 10
(b) 8 (c) 9 (d) 10.5
7. Find the average of all prime numbers
between 20 and 40 is
(a) 30 (b) 50 (c) 60 (d) 40​

Answer 1

Answer:

c

Step-by-step explanation:

1+2+3+4+5+6+7+8+9+10 = 55

average = sum of observations ÷ no.of observations

55÷10=5.5