Question

a basket contains ten red balls and twenty black balls then find the probability of drawing a) a red ball b) a black ball c) a yellow ball d) a white ball​

Answer 1

Answer:

A black ball .

Step-by-step explanation:

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Answer 2

n⊂r⊃⇒10                                                                                                                                                                             n⊂b⊃⇒20                                                                                                         --n⊂s⊃⇒30,p⊂r⊃⇒10÷30⇒1÷3,p⊂b⊃⇒20÷30⇒2÷3