add x2y, 4x2y, -2x2y
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9. Attendance of students in a class is as follows-
Monday
42
Tuesday
43
Wednesday
45
Friday
39
Saturday
41
Find the average daily attendance of the class.
10. If 250 litres of water is supplied to a family, how many families can be
supplied with 47,500 litres of water?
11. 22,500 balls are packed equally in 90 boxes. How many balls are packed in
each box?
12. Find the least number that should be added to 36,516 so that the result is
exactly divisible by 456.
13. The cost of a headphone is Rs. 456. What is the cost of 235 headphones
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