Elitmus
Exam
Numerical Ability
Number System
There are 3 bags, in 1st there are 9 Mangoes, in 2nd 8 apples & in 3rd 6 bananas. There are how many ways you can buy one fruit if all the mangoes are identical, all the apples are identical, & also all the Bananas are identical?
Options:
a)648
b)432
c)23
d) 2 to the power(23)-1
Read Solution (Total 23)
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- Since bags are different so it should be 9+8+6=23
- 9 years agoHelpfull: Yes(23) No(1)
- 9c1*8c1*6c1=432 This is a write answer because i can one fruit so no given in the question whose fruits are buy
- 9 years agoHelpfull: Yes(9) No(16)
- answer is 629 ie 10*9*7-1
- 9 years agoHelpfull: Yes(8) No(1)
- We can either select the fruit or we nt select ..so there is two possibilities for each fruit so 2^23 and in there is a way in which we did not select any of them.that means is 2^23 -1
- 9 years agoHelpfull: Yes(5) No(7)
- as in this problem , buying any fruit is different case , as buying apple is independent from buying banana so ADDITION rule will use.
9C1+ 8c1 +6c1=23 will be ans - 9 years agoHelpfull: Yes(5) No(3)
- there are 3 diffrent bags ...so answer is 9+8+6=23...
- 9 years agoHelpfull: Yes(3) No(4)
- 9c1*8c0*6c0+9c0*8c1*6c0+9c0*8c0*6c1=23 is the write ans because all the bags are different and meaning of this question is not like at least one.
- 9 years agoHelpfull: Yes(3) No(3)
- answer should be 23c1=23
because they are nt talking about atleat one...instead of this they taking that
only one fruit so selecting one out of 23 - 9 years agoHelpfull: Yes(3) No(4)
- If all mangos equal then how u can write 9c1 ..... there is only one possible answer 3 .... otherwise question is wrong
- 7 years agoHelpfull: Yes(3) No(1)
- 648. Because 10*9*7 -1.
- 9 years agoHelpfull: Yes(2) No(10)
- question was - In how many ways you can buy atleast one fruit if.......
- 9 years agoHelpfull: Yes(2) No(5)
- i think it is three
because there are identical fruits.
the selecting one mango out of 9 identical mangos in one way
similarly apples and banana
sum=1+1+1=3
- 9 years agoHelpfull: Yes(2) No(2)
- 9c1*8c1*6c1=648
- 9 years agoHelpfull: Yes(1) No(6)
- Answer will be: 9C1 + 8C1 + 6C1=23. As the question asked to choose only one fruit amongst all.
- 9 years agoHelpfull: Yes(1) No(4)
- choosing one from all the available == 23c1 = 23
- 9 years agoHelpfull: Yes(1) No(2)
- The question was in how ways you can buy fruits
- 8 years agoHelpfull: Yes(1) No(1)
- We can either select or not select the fruits.If we select fruits thn no of ways =2^23
If we not select thn =2^23-1.so only d is right ans. - 8 years agoHelpfull: Yes(1) No(3)
- correct answer=9c1+8c1+6c1.
- 8 years agoHelpfull: Yes(1) No(1)
- it's answer is d.
- 7 years agoHelpfull: Yes(1) No(2)
- for mangoes we have 9 ways and for apples 8 ways and banans 6 ways.
total no of ways is 23 - 9 years agoHelpfull: Yes(0) No(3)
- 9*8*6=432 ans (b)
- 9 years agoHelpfull: Yes(0) No(4)
- 9c1 +8c1+7c1=23
- 7 years agoHelpfull: Yes(0) No(0)
- Simple select from each bag by 9c1 + 8c1 + 6c1 =23 ans
- 2 years agoHelpfull: Yes(0) No(0)
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