Question

Q5. A boy studies for 3 hours, 5 hours, 2 hours and 6 hours in four consecutive days. How many hours
does he study per day on an average?​

Answer 1

Step-by-step explanation:

average =3+5+2+6/4

16/4

=4hrs

Answer 2

✬ Average = 4 hours ✬

Step-by-step explanation:

Given:

• A boy studies for four consecutive days.
• First day he studied for 3 hours , second day for 5 hours , third day for 2 hours & fourth day for 6 hours.

To Find:

• How many hours does he study per day on an average ?

Solution: Average hours of his study is given by

Average hours studied per day :-

➫ (Sum of hours studied daily / Number of days he studied)

$\implies{\rm }$ Average = ( 1st + 2nd + 3rd + 4th day/4 )

$\implies{\rm }$ Average = ( 3 + 5 + 2 + 6/4 )

$\implies{\rm }$ Average = ( 16/4 )

$\implies{\rm }$ Average = 4 hours

Hence, The boy studies 4 hours per day on an average.

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=> A central value or medium value which is obtained from a given set of number divided by the total number is known as Average.