engineering recuitment NIELIT Scientific Assistant Mock Test 2025 Engineering Mathematics Probability
A box contains 10 cards, out of which 2 are red, 3 are blue and rest are green. One card is chosen at random. Probability of choosing a red card is how much less than the probability of choosing the green card?
1
\(\frac15\)
2
\(\frac 12\)
3
\(\frac3{10}\)
4
\(\frac25\)