Question

Mita scored an arrage of 22 marks in her exams. She scored 24 in math, 23 in English, 21 in Scince and 19 in hindi How many mankes did she score in scocal scince.​

Answer 1

Marks scored By Mita In social Science is 23 marks

Step-by-step explanation:

Let the marks scored by mita n social science be x.

Average marks scored by Mita = 22 marks

Since, Average = Sum of all observations ÷ No. of observations

Therefore,

=>Average Marks = Sum of Marks ÷ No. of Subjects

=>22 = 24+23+21+19+x ÷5

=>22 = 87 + x ÷ 5

=>22×5= 87 + x

=>110 = 87 + x

=>110-87 = x

=> 23 = x

Hope it helps you