2011 Sierra Atlantic Placement Paper:
1).A bird shooter was asked how many birds he had in the bag he replied that there Were all sparrows but six ,all pigeons but six,all ducks but six how many birds had he in all?
Sol.)- ?There were all sparrows but six ?means that 6 birds were not all sparrows but Only pigeons and ducks . similarly,no of sparrows plus no of ducks equal to six and no of sparrows plus no of ducks equal to six this is possible when there r 3 sparrows,3 pigeons,3 ducks.i.e. 9 birds in all.
2). The avg weight of 3 men A,B,and C is 84 kgs another man D joined the group and the avg now becomes 80 .if another man E whose weight is 3 kgs more than that of D replaces A then the avg weight of B,C,D,E becomes 79 kgs.The weight of A is?
a)70kgs b)72kgs c)75kgs d)80kgs
Sol.)- 75kgs
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1).A bird shooter was asked how many birds he had in the bag he replied that there Were all sparrows but six ,all pigeons but six,all ducks but six how many birds had he in all?
Sol.)- ?There were all sparrows but six ?means that 6 birds were not all sparrows but Only pigeons and ducks . similarly,no of sparrows plus no of ducks equal to six and no of sparrows plus no of ducks equal to six this is possible when there r 3 sparrows,3 pigeons,3 ducks.i.e. 9 birds in all.
2). The avg weight of 3 men A,B,and C is 84 kgs another man D joined the group and the avg now becomes 80 .if another man E whose weight is 3 kgs more than that of D replaces A then the avg weight of B,C,D,E becomes 79 kgs.The weight of A is?
a)70kgs b)72kgs c)75kgs d)80kgs
Sol.)- 75kgs
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