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On a windy day, out of every 3 sand dunes formed, only 1 remains. Out of 5 blown-out

sand-dunes, 1 has treasure and only 2 out of 5 sand dunes formed have lucky coupons. Find

the probability that the blown-out sand dune will contain both the things.

A) 2/25

B) 4/75

C) 7/75

D) 3/5

Read Solution (Total 1)

Probabilty of sand dune blown out = 2/3
Probabilty that it has treasure = 1/5
Probability that it has lucky coupon = 2/5
total probability = 2/3 * 1/5 * 2/5 = 4/75
12 years agoHelpfull: Yes(6) No(0)

Athenahealth Other Question

Rahul is a cashew merchant in Kerala. He has cashews in sealed wooden boxes of 10kg

each. The price of the cashew increases by Rs.20 per kg for every year, but at the same

time, 10% of the cashews are eaten by rodents every year. If the price of a 1 kg of fresh

cashew is Rs.100, what is the change in his profits if he sells a sealed box after one year of

storage, rather than selling it fresh? (In Rs.)

A) 64 more

B) 64 less

C) 80 more

D) 80 less
What Is The Smallest Positive Integer That Leaves A Remainder Of 1 When Divided By 2, Remainder Of 2 When Divided By 3, A Remainder Of 3 When Divided By 4, And A Remainder Of 9 When Divided By 10?