MBA
Exam
the sum as well as the product of a quadratic equation is 8, then the quadratic equation is : 1) x^2+4=0 2) x^2-4=0 3) x^2+4x+4=0 4) x^2-8x+8=0 5) x^2-4x-4=0
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MBA Other Question
There are 3 identical sets of 5 weights each. Using one or more of these weights and a common balance one can measure any integral weight (in gm) from 1 gm to N gm. What is the maximum possible value of N?Approach Plz 1) 1023 2) 363 3) 8403 4) 8979
I kno its easy but still nt getting ans Two boxes,1 box containts 2 black ball and 2 white balls,2nd box contains 4 black and 12 white balls.If a box is choosen randomly and two balls are drawn at randomly from it,what is the probability of atleast one ball being black.? 1) 11/20 2) 43/120 3) 77/120 4) 9/20