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Question

The sum of frequencies of tally marks 卌 ||, ||| and 卌 | is equal to

A
12
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B
15
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C
16
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D
18
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Solution

The correct option is C 16
The tally marks |, ||, |||, |||| and 卌 represent 1, 2, 3, 4 and 5 respectively.
Thus, 卌 | = 6 and 卌 || = 7
∴ Sum of frequencies = 7 + 3 + 6
= 16
Hence, the correct answer is option (c).

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