What is answer of question 11 and 12
Q.11. The diameter of a roller 120 cm long is 84 cm. If it takes 50 complete revolutions to level a playground, determine the cost of leveling it at the rate of 50 paise per square metre.
Q.12. A die is thrown once find the probability of finding:-
i) Prime Number
ii) A number divisible by 3

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