The average daily expenditure of Mohan over 4 days is 120. If his expenditure on the first 3 days are 60, 150 and
140, respectively, then what is his expenditure on the day 4 ?
मोहन का 4 दिनों में औसत दैनिक व्यय 120 है। यदि पहले 3 दिनों में उसका व्यय क्रमशः 60, 150 और 140
है, तो चौथे दिन उसका व्यय कितना है?
Correct Answer:
= 120
x = 480 - 350 = 130
= 120
x = 480 - 350 = 130