Solve this :

7.  
The following table shows the daily earnings of 25 shops.

Find the probability that a shop earns :
(i)  Rs 100 and above
(ii)  At least Rs 60 but less than Rs 80
(iii)  Less than Rs 40.

7)
i) 2/25
ii) 2/25
iii)18/25
  • 1
If both if both y minus 2 and y minus half are factors of a y square + 5 y + b show that a equals to b
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