Find the modal class and also give class mark of the modal class.
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Q3
Pocket money of 8 students in Rupees (Rs) is given below:
6,12,18,24,30,36,42, 48
Calculate the mean.
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Q4
The monthly pocket money of Ravi and Sanjeev are in the ratio 5:7. Their expenditures are in the ratio 3:5. If each save Rs80 every month, find their monthly pocket money.
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Q5
The monthly pocket money of Ravi and Sanjeev are in the ratio 5: 7. Their expenditures are in the ratio 3: 5. If each saves Rs. 80 every month, find their monthly pocket money.