Page 52 - What Where Why - 4

Mixed Bag
41
Number Fun

A. Fill in the boxes with numbers 1, 2, 3, and 4 so that each number appears only
once in each row and column.

1 3
This game is called Sudoku.
2 3 4

1 4

4 2

B. How many triangles are there in the following figure? Count and write.

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C. Answer the following questions.

1. Mr Amit has donated a piece of land to a school. The land has four sides and
the opposite sides are of equal length. What is the shape of the land?
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2. A farmer had 20 cows. All, but 7 ran away. How many cows are left?
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3. Raju ranked sixteenth from the top and fifteenth from the bottom in an
examination. How many students are there in her class?
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4. What should be multiplied by the greatest four-digit number so that the answer

is zero?
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