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Probability of getting a head =0.6 =6/10=3/5 Probability of getting not head=1-3/5 =2/5 Direct shortcut- n Cr(P)r(1-P) n-r Then now Probability= =10C3 (3/5)3(2/5)7 = [(10×9×8)/3×2] × (33×27)/510 = (34×210)/59
If 'A # B' means 'A is mother of B', 'A @ B' means 'A is brother of B', 'A % B' means 'A is sister of B', 'A $ B' means 'A is father of B'. In expressio...
If F$G@E*D is true, the how is D related to son of G?
How is J related to L if ‘D @ G & J ? M # L’ is true?
If G @ H & I % J @ L ^ K then how is J related to H?
If A%B means ‘A is daughter of B’ A@B means ‘A is wife of B’ A$B means ‘A is son of B’ A#B means ‘A is brother of B’ then in expression ...
How is U related to S if ‘R+S@T$W#U? V’ is true?
If A × B means that A is the brother of B, A – B means that A is the sister of B, A + B means that A is the father of B then which of the following e...
If ‘L#H$I@G?W*K’ is true, then, how is K related to L?
In the given relationship, ____ is related to ____ in the same way as M is related to E.
Statements: T ≥ S > H = O, R ≥ M > H
Conclusions : I. S > M II. R > O