Question

7
10)The mean of first four even natural numbers is---------
(A)5
(B10
(C)20
(D) 4
fo triangle measure 15cm 16cm and 21cm. then the​

Answer 1

1. 5

2.52

Step-by-step explanation:

1. first four even numbers are 2,4,6,8

there mean = (2+4+6+8)/4

=20/4

5

2. Let A= 15cm

B= 16cm

C= 21cm

Now add all the value

15+16+21

=52 cm