defence exam Agniveer Vayu Group X & XY Mock Test 01/2026 Mathematics Probability Probability of Random Experiments

A, B, C और D परस्पर अपवर्जी और नि:शेष घटनाएँ हैं। यदि 2P(A) = 3P(B) = 4P(C) = 5P(D), तो 77P(A) किसके बराबर है ?

1
12
2
15
3
20
4
30
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