Question

A box has 7 white balls, 9 red balls,5 green balls.At least how many balls you have to take to ensure that you have 3 balls of the same colour????plz answer urgently needed!!!​

Answer 1

||✪✪ CORRECT QUESTION ✪✪||

A box has 7 white balls, 9 red balls,5 green balls.At least how many balls you have to take to ensure that you have 3 balls of the Each colour ????

|| ✰✰ ANSWER ✰✰ ||

We have 7 white balls, 9 red balls,5 green balls and we need Balls of Each color.

As we can see that, Green balls are lowest in numbers so, we can say that, they are hardest to pick from box....

Let us suppose we pick first 7 balls and they all are of white colors, than , we pick 9 balls and we get all of them of red color .

But we need balls of each color .

So, now , we have to Pick one more ball and that will be of color green. and Hence, we have balls of Each color.

So, we can say that :-

➺ Least number of balls picked = 7 + 9 + 1 = 17 . ( To get balls of Each color .

17 is correct answer.

_____________________________

we can Remember this directly now also, :-

☛ To pick balls of Each color = ( sum of Two largest Numbers ) + 1 .

☞ ( 7 + 9 ) + 1

☞ 17 (Ans).

_______________

If you want to Pick 3 balls of each color now,

☞ (7+9) + 3

☞ 19 .

we have to pick atleast 19 balls if we want 3 balls of Each color .

Answer 2

${ \huge \bf{ \mid{ \overline{ \underline{Answer}}} \mid}}$

$\tt\red{Given}\begin{cases}\bf\orange{7 white \:ball } \\\\ \bf\red{9 red \:ball } \\\\\bf\green{5 green \:color }\end{cases}$

$\rule{300}{2}$

$\large\star\textsf{To find }$

$\textsf{Ball of Each color =?}$

$\rule{300}{2}$

$\star\textsf{ Now, }$

$\textsf{\purple {we have 7 white balls and 9 balls are red }}\\\textsf{But we want each color.}$

$\star\textsf{What we do Now,}$

$\textsf{we have to take 3 ball and will be color }\\\textsf{\red {of green,hence we have ball of each color.} }$

$\rule{300}{2}$

$\bf{ sum \: of \: colour \: = 7 + 9 + 3 }\\ \bf{= 19 \:}$

$\star\boxed{\sf 19}$

$\textsf{\orange {\large{ Answer= }{have to pick\underline {19 }balls to}}}\\\textsf{\orange{ want 3 ball each color }}$

$\rule{300}{2}$