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JEE Main 2020 (Online) 5th September Evening Slot
Numerical
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Out of Syllabus
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In a bombing attack, there is 50% chance that a bomb will hit the target. Atleast two independent hits are required to destroy the target completely. Then the minimum number of bombs, that must be dropped to ensure that there is at least 99% chance of completely destroying the target, is __________.
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2
JEE Main 2020 (Online) 4th September Morning Slot
Numerical
+4
-0
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The probability of a man hitting a target is $${1 \over {10}}$$. The least number of shots required, so that the probability of his hitting the target at least once is greater than $${1 \over {4}}$$, is ____________.
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