Question

the average of 15 ,14,21,42 is dase​

Answer 1

Answer:

1) 21 ÷ 14 = 1.5

2) 42 ÷ 21 = 2

3) x ÷ 42 = 2.5

4) 315 ÷ x = 3

Therefore On solving the 3rd equation we get , x = 2.5 × 42 =105

Similarly, on solving 4th equation we get

x= 315 ÷ 3 = 105

Step-by-step explanation:

Answer 2

Answer:

23

Step-by-step explanation:

$Average$ $=$ $\frac{15 + 14 + 21 + 42}{4}$

              $= \frac{92}{4}$

             = 23

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