A very easy approach :
Total ways without the constraints = 2C1 x 3C1 x 7C4 = 2 * 3 * 7C4 = 6 * 7C4 = 210.
Now we know that the answer is less than 210 and a multiple of 6. So answer = C.
Cheers![Image]()
Total ways without the constraints = 2C1 x 3C1 x 7C4 = 2 * 3 * 7C4 = 6 * 7C4 = 210.
Now we know that the answer is less than 210 and a multiple of 6. So answer = C.
Cheers






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