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× Time to relax!

file Maths Puzzles!

07 Jan 2015 21:55 #1 by Anamika

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  • Thread for all maths enthusiasts!!!
    07 Jan 2015 21:57 #2 by Anamika

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  • I will post one or few trivia's daily. Please post your answers.

    I will share the correct answer the next day.

    I will maintain a score card. At the end of the week, lets identify the maths genius @ Chillzee :-)

    No cheating!!! So pls share briefly how you came up with the answer too :) The first person to share the correct answer with appropriate explanation will get more points :)

    So, let's dive in!!!!
    07 Jan 2015 21:59 #3 by Anamika

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  • Q - 1.1.
    A small zoo had only birds and mammals. When asked how many of each they had, the zoo manager said he had a total of 54 animals with a 140 feet total between them all.
    Assuming all the animals had all the feet they should have, how many birds and how many mammals are there?

    Easy one ;-) :GL:
    07 Jan 2015 22:49 #4 by Keerthana Selvadurai

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  • ada ponga anamika etho en range ku ketrupinga nu aasaiysa open panna :ohmy: kastama ketinga :dry: enaku therila

    Anamika wrote: Q - 1.1.
    A small zoo had only birds and mammals. When asked how many of each they had, the zoo manager said he had a total of 54 animals with a 140 feet total between them all.
    Assuming all the animals had all the feet they should have, how many birds and how many mammals are there?

    Easy one ;-) :GL:


    All is well..
    07 Jan 2015 23:05 #5 by Bindu Vinod

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  • birds + mammals = 54

    birds have 2 feet while mammals have 4.

    so, 2birds + 4mammals = 140
    => 2birds = 140 - 4mammals
    => birds = 70 - 2mammals

    birds + mammals = 54,
    from the above we have birds = 70 - 2mammals
    so, 70 - 2mammals + mammals = 54
    => 70 - mammals = 54
    => mammals = 70 - 54 = 16.

    birds + mammals = 54
    so, birds + 16 = 54
    birds = 38.

    So there are 38 birds and 16 mammals

    Anamika wrote: Q - 1.1.
    A small zoo had only birds and mammals. When asked how many of each they had, the zoo manager said he had a total of 54 animals with a 140 feet total between them all.
    Assuming all the animals had all the feet they should have, how many birds and how many mammals are there?

    Easy one ;-) :GL:

    The following user(s) Liked this message: Anamika, chitra, Keerthana Selvadurai, Priya, Anna Sweety
    07 Jan 2015 23:11 #6 by Priya

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  • Vinooooooo :ohmy: :ohmy: :ohmy: :ohmy:

    Maths puliya neenga....
    A+B=C formula ellam use panni solve pannirukinga???
    Aanalum ivlo padipps ah irukadhinga...

    Anams engala madhri kutti pullainga fingers vechu count pandra sum edhavadhu irundha kudunga try pandrom.... :P :cheer:

    Vinodha wrote: birds + mammals = 54

    birds have 2 feet while mammals have 4.

    so, 2birds + 4mammals = 140
    => 2birds = 140 - 4mammals
    => birds = 70 - 2mammals

    birds + mammals = 54,
    from the above we have birds = 70 - 2mammals
    so, 70 - 2mammals + mammals = 54
    => 70 - mammals = 54
    => mammals = 70 - 54 = 16.

    birds + mammals = 54
    so, birds + 16 = 54
    birds = 38.

    So there are 38 birds and 16 mammals

    Anamika wrote: Q - 1.1.
    A small zoo had only birds and mammals. When asked how many of each they had, the zoo manager said he had a total of 54 animals with a 140 feet total between them all.
    Assuming all the animals had all the feet they should have, how many birds and how many mammals are there?

    Easy one ;-) :GL:


    Priya
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