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Problem
The following table shows the weekly pocket money (in ₹) received by 20 students: | Pocket money (₹) | 10–20 | 20–30 | 30–40 | 40–50 | | Frequency | 3 | 5 | 7 | 5 | Find the mean pocket money (in ₹) of the students. a) 31.5 b) 32 c) 33.5 d) 27
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