Number of sticks required to design the letters “L”, “N” and “M” are 2, 3 and 4 respectively. How many sticks are required to make “LNMNMNL”?
A
17
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B
19
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C
21
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D
22
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Solution
The correct option is C 21 There are 2 “L” in “LNMNMNL”. Number of sticks to make two “L”=2×2=4 sticks. There are 3 “N” in “LNMNMNL”. Number of sticks to make 3“N”=3×3=9 sticks. There are 2 “M” in “LNMNMNL”. Number of sticks to make 2“M”=2×4=8 sticks. Total number of sticks needed = 4 + 9 + 8 = 21 sticks.