Latest MBA Aptitude Question SOLUTION: The real values of ‘a’ for which the quadratic equation 2x2 – (a3 + 8a – 1)x + a2 – 4a = 0 possesses roots of opposite signs are given by

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Previous Question: During a circus, 4 hats are picked randomly from a trunk having 3 red, 5 black, 4 blue and 6 yellow hats and are given to 4 dwarfs such that each gets 1 hat. all the dwarfs throw their hats in air simultaneously and then come under a hat not necessarily their own. what is probability that at least 2 dwarfs are wearing hat of same colour now and no dwarf has the same hat on his head that he had thrown in the air?

1) 45/136
2) 91/136
3) 83/272
4) none of these
Next Question: Find highest power of 7 which devides 81!

(#M40015533) MBA question algebra, quadratic equations, inequalities, functions Keep an EYE

The real values of ‘a’ for which the quadratic equation 2x2 – (a3 + 8a – 1)x + a2 – 4a = 0 possesses roots of opposite signs are given by

1) a > 5
2) 0 < a < 4
3) a > 0
4) a > 7

Asked In MBA (11 years ago)

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Previous Question: During a circus, 4 hats are picked randomly from a trunk having 3 red, 5 black, 4 blue and 6 yellow hats and are given to 4 dwarfs such that each gets 1 hat. all the dwarfs throw their hats in air simultaneously and then come under a hat not necessarily their own. what is probability that at least 2 dwarfs are wearing hat of same colour now and no dwarf has the same hat on his head that he had thrown in the air?

1) 45/136
2) 91/136
3) 83/272
4) none of these
Next Question: Find highest power of 7 which devides 81!

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