If 56Pr+ 6 : 54Pr + 3 = 30800 : 1 then the value of r is ?
Answer : B. 41
Find the value of 5P2 ?
Answer : C . 20
How many groups of 6 persons can be formed from 8 men and 7 women ?
Answer : B . 5005
Answer : C. 40
Answer : B. 24/7 min
Answer : D . 3200
Answer : A. 105
Answer : D. 2520
Answer : A. 720
Answer : B . 5005
Answer : C. 120960
Answer : C. 72
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