Question
A box holds a total of 'p' purple balls and 5 silver
balls. Two balls are drawn sequentially without replacement. The probability that both selected balls are purple is given as 3/7 . Determine the value of 'p'.Solution
ATQ,
p*(p-1)/ [(p+5)*(p+4)] = 3/7 By using optional method, (10*9)/ (15*14) = 90/210 = 3/7 p = 10
' pqr ktp ' is code for?Â
In a certain code language, âBUTTERâ is coded as âCWWSCOâ and âTHEORYâ is coded as âUJHNPVâ. How will âLATENTâ be coded in that lang...
What is the code of âDesignâ?
What may be the code for 'women law", if 'law women help' is coded as 'vo mo zo?
What could be the code for âthought anxiety receivedâ? Â
What is the code for the word 'human' in the given code language?
Which of the following may be the code for âThe Dreams Believeâ?
If ‘MANY’ is coded as ‘NXOV’ then how will ‘NONE’ be coded?
In a certain code language âCURFEWâ is coded as âEWTHGYâ then, what is the code for âMAGNETâ in the same code language?
- In a certain code language, "FUTURE" is written as "VIFGFU", and "DESIGN" is written as "MTRHVW". How will "MOBILE" be written in that language?
