Question
Akshay has 7 relatives, 3 males and 4 females. His wife
twinkle also have 7 relatives, 3 females and 4 males. In how many ways can they invite 3 male and 3 females so that 3 of them are Akshay’s relatives and 3 of his wife twinkle?Solution
There are 4 possible cases 
The required number of ways = (4C3 × 4C3) + (3C1 × 4C2) × (4C2 × 3C1) + (3C2 × 4C1) × (4C1 × 3C2) + (3C3 × 3C3) = (4 × 4) + (3 × 6 × 6 × 3) + (3 × 4× 4 × 3) + (1 × 1) = 16 + 324 + 144 +1 = 485 ways.
Statements: Z ≤ B = G; I > U; I < W < G; Z ≤ X < S
Conclusions:
I. Z < W
II. U < B
III. X > I
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In the question, assuming the given statements to be true, find which of the conclusion (s) among given three conclusions is /are definitely true and t...
Statements:
B < C ≤ I = O; C ≥ J ≥ K ≥ N; Z ≤ M ≤ N
Conclusions:
I) O > Z
II) O = Z
...Statements: A < B ≤ C, A > E, F ≤ B < D
Conclusions:
I. D > A
II. E < B
III. C > E
IV. D > C
Which of the following should be placed in the blank spaces respectively ( in the same order from left to right) in order to complete the given express...
Statements: J > K > M ≤ N < O; M > P > L
Conclusions:
I. J > L
II. P < O
III. J > O
Which of the following will be definitely true if the given expression Y > Z ≥ H > J ≥ P > Q = R ≤ K > E ≤ F is definitely not true?
In the question assuming the given statements to be true, find which of the conclusion(s) among given three conclusions is/are definitely follows and t...
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