Latest HR Interview Aptitude Question SOLUTION: Assume that 1 rupee = 20 sparrows = 1 crow & 5 rupees = 1 parrot. You have 100rs and have to spend your whole money in such a way that you buy 100 birds in total. (Condition: you h

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(#M40165292) HR INTERVIEW Numerical Ability question Keep an EYE

Assume that 1 rupee = 20 sparrows = 1 crow & 5 rupees = 1 parrot. You have 100rs and have to spend your whole money in such a way that you buy 100 birds in total. (Condition: you have to buy all three birds.). What will you do?

Asked In HR Interview gunavathy (6 years ago)

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Devendra Marghade  (6 years ago)

80 sparrows, 1 crow, 19 parrots

Let number of sparrows=x, crows=y & parrots=z, then total cost=x/20 + y + 5z=100 =>x + 20y + 100z = 2000 —-(i)
Total number= x + y + z = 100 —-(ii)
Subtract equation (ii) from (i), 19y+99z=1900 or y=100 - (99/19)z —-(iii)
For z=19, y=1, so x=80

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ANOOP T  (6 years ago)

answer: 80 sparrow= 4 rupee,19 parrot= 95 rupee,1crow= 1 rupee>>birds=80+19+1=rupee =4+95+1=100

4 cases
>>>may be 20 sparrows, 40 sparrows,60 sparrows,80 sparrows wrt 1,2,3,4 rupee;
1,2,3 cases can be eliminate because max parrots can compensate the loss is 19 parrots ie,95 rupee
>>>then the only option is 4 rupee,80 sparrows and 19 parrot of 95 rupee hence 99:99 remaining is 1 crow of 1 rupee

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GOLKONDA MUNITEJ  (5 years ago)

buy 1 crow=1rs
buy 80 sparrows=4rs
buy 19 parrots=95rs
total 1

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GOLKONDA MUNITEJ  (5 years ago)

buy 1 crow=1rs
buy 80 sparrows=4rs
buy 19 parrots=95rs
total 1

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Jerry liqo  (5 years ago)

we will take sparrows of 4 rupees i.e., 4 rupees=80 sparrows.
now we will take parrots of 95 rupees i.e., 95 rupees=19 parrots.
and at last we will take crow of 1 rupee i.e., 1 rupee= 1 crow.
hence total amount spend=100 rupee and we have get 100 birds as well.

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