A boy found that four matchsticks are required to make a square, eight for two squares and so on. He was fascinated and developed a rule so as to calculate the number of matchsticks for any number of squares he needs to form. Calculate the number of matchsticks required for making 10 squares.

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Solution

The correct option is C
40

The rule for finding the number of matchsticks required for making n squares is '4n'.

So, for making 10 squares we need to put 10 in place of 'n'.

Hence the number of matchsticks required = 4 x 10 = 40.

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Similar questions

A boy while playing with matchsticks observed that five matchsticks are required for making a single 'H' and ten matchsticks for two 'H' and so on. He tried obtaining the rule for calculating number of matchsticks required for making 'n' numbers of H. The correct rule is ______.

Q. How many matchsticks are needed to make 5 squares if to make a square 4 matchsticks are needed, to make 2 squares 8 matchsticks are needed, to make 3 squares 12 matchsticks are needed and so on?

Q. Number of matchsticks are required to make

10

squares:

Q. If the minimum number of matchsticks required to form one square is four, then what is the minimum number of matchsticks required to form five squares?

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A boy found that four matchsticks are required to make a square, eight for two squares and so on. He was fascinated and developed a rule so as to calculate the number of matchsticks for any number of squares he needs to form. Calculate the number of matchsticks required for making 10 squares.

The correct option is C 40 The rule for finding the number of matchsticks required for making n squares is '4n'. So, for making 10 squares we need to put 10 in place of 'n'. Hence the number of matchsticks required = 4 x 10 = 40.

The correct option is C
40

The rule for finding the number of matchsticks required for making n squares is '4n'.

So, for making 10 squares we need to put 10 in place of 'n'.

Hence the number of matchsticks required = 4 x 10 = 40.