Question
Maria is taking a quiz that contains 3 questions, each
with 5 options. Only one option is correct for each question. If Maria guesses all the answers, what is the probability that she will get exactly 2 questions correct?Solution
ATQ, Probability of guessing the right answer for each question = 1/5 Probability of guessing the wrong answer for each question = 4/5 The probability of getting exactly 2 questions correct involves Maria guessing 2 right and 1 wrong. This can happen in (3/2) = 3 different ways So, required probability = 3 × (1/5 × 1/5 × 4/5) = 12/125
Statement: Should the government revoke the GST and bring in the previous tax regime?
Argument I: Yes, the state governments are unable to recove...
Which of the following will best complete the relationship given below?
FDA : MKH :: QOL : ?
- Select the option that is related to the third word in the same way as the second word is related to the first word.
Generous : Stingy :: Encourage... Change the question mark with the option that follows the logic applied to the first pair.
Television : Electricity :: Car : ??
From the given alternatives, select the one in which the set of numbers is most like the set of numbers given in the question:
(4, 6, 30)
Toyota’ is related to ‘Japan’ in the same way ‘Samsung’ is related to “___”.
If ASH = 1198 and ASHES = 1198519, then SQUASH =
Select the option in which the numbers share the same relationship as that shared by the given number-pair:
144 : 156
In a certain code language, 'MERCHANT’ is written as 'NFSCHCPV' and 'INTERIOR' is written as 'JOUERKQT'. How will 'JUNCTION' be written in that langua...
Select the combination of letters that when sequentially placed in the blanks of the given letter series will complete the series.
_ h _ i j _ _ ...
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