Question

What will be the sum of all the numbers written in the highlighted region of the calendar?

[ 2 marks ]

Answer 1

Solution:
We know that the sum of all the numbers inside the 3 × 3 box in the calendar is 9 times the middle number. (1 mark)

Here, the middle number is 18. (0.5 marks)
Therefore, the sum will be = 9 × 18 = 162. (0.5 marks)