In his pocket, a boy has 3 red marbles, 4 blue marbles, and 4 green marbles. How many marbles will he have to take out of his pocket to ensure that he has taken out at least one of each color?
Solution
Correct Answer: Option C
In his pocket, a boy has 3 red marbles, 4 blue marbles, and 4 green marbles.
If he takes out 3 balls, they can all be red.
If he takes out 4 balls they can all be green or blue.
if he takes out 7 balls they can all be red and blue.
if he takes out 8 balls they can all be green and blue.
but if he takes out 9 balls, he must have balls from each color
অ্যাপ/ওয়েবসাইটে রুটিনভিত্তিক নিয়মিত লাইভ পরীক্ষা হচ্ছে।
Exam - 87
কোর্স নামঃ
ব্যাংক নিয়োগ প্রস্তুতি'র লং কোর্স (২৭৬ দিন)
টপিকসঃ
Bangla
সমাস
সমাস
এই রুটিনের সাথে ৩ বার ভোকাবুলারি রিভিশন।
রুটিন দেখুন
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