MBA Exam

There were x pigeons and y mynahs in a cage. One fine morning p of them escaped to freedom. If the bird keeper,knowing only that p = 7, was able to figure out without looking into the cage that at least one pigeon had escaped, thenwhich of the following does not represent a possible (x,y) pair?(a) (10,8)(b) (7,2)(c) (25,6)(d) (12,4)[CAT90]

1) A
2) B
3) C
4) D

Read Solution (Total 3)

(25,6)

because even if 6 mynahs have escaped, atleast one pigeon has also escaped.

However (12,4) and (7,2) also suggest the same.
11 years agoHelpfull: Yes(0) No(1)

so
(a) (10,8) does not represent possible (x,y) as there are 8 mynahs.
11 years agoHelpfull: Yes(0) No(1)
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4 years agoHelpfull: Yes(0) No(0)

MBA Other Question

A school having 270 students provides facilities for playing four games – Cricket, Football, Tennis
and Badminton. There are a few students in the school who do not play any of the four games. It is
known that for every student in the school who plays at least N games, there are two students who
play at least (N – 1) games, for N = 2, 3 and 4. If the number of students who play all the four games
is equal to the number of students who play none, then how many students in the school play
exactly two of the four games?

1) 30
2) 90
3) 60
4) 120
Using the most powerful telescope ever made, scientists observe a class of young aliens on a planet millions of light years away. On the blackboard, their teacher has written these equations: 13 + 15 = 31 10 * 10 = 100 6 * 3 = 24How many fingers do they have? (We count in base ten. What do they count in?)

1) 5
2) 6
3) 7
4) 8