the average of 10 numbers is calculated as 21 . it is discovered later on that while calculating the average , one number namely 36 was wrongly read as 26 . the correct average is ?
"explanation : 10 * 21 + 36 – 26 = 220 = > 220 / 10 = 22 d )"
add(21, divide(subtract(36, 26), 10))