Question
5 coins are tossed together. What is the probability of
getting exactly 3 tails?Solution
If ‘n’ fair coins are tossed, Total number of outcomes in the sample space = 2n The probability of getting exactly ‘r’ number of heads when ‘n’ coins are tossed = nCr/ 2n Therefore, probability = 5C3/25 = 5/16
In a certain code language, ‘LEMONS’ is written as ‘YSSPGM’. How will ‘WHALES’ be written in that code language?
In a code language, 'MAGNESIUM' is written as '55' and 'NITROGEN' is written as '48'. How will 'COPPER' be written in that language?
What does the code “E3! E4% C4@” stands for?
In a certain code language, 'YEAR' is coded as ‘ZFBS' and ' LOOP' is coded as ' MPPQ'. How will 'MEDIA' be coded in that language?
What is the code of ‘hundred’?
Which of the following may be the code for ‘learning are everything’?
Which word is coded as ' jk '?
If 144 C 12 = 12 and 180 C 9 = 20, then 256 C 16 = ?
- ‘SCHOOL’ is related to ‘AFJMMQ’ in the same way as ‘EXPLAIN’ is related to ‘___’.
What is the code for the word 'veggies that ten' in the given code language?
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