MBA Exam

a person draws a card from a pack of 52, replaces it & shuffles it. he continues doing it until he draws a heart. what is the prob that he has to make 3 trials ?plz explain

1) 9/64
2) 3/64
3) 5/64
4) 1/64

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MBA Other Question

The remainder when 1783 + 8317 is divided by 1411 is

1) 0
2) 66
3) 1
4) 100
Let Z = {1, 11, 111, 1111, ..., 11111 up to 55 times} and T be a subset of Z such that the sum of no two elements of T is divisible by 3. The maximum possible number of elements in T is

1) 18
2) 19
3) 20
4) 37