Easy Division

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eaakbari: Master | Next Rank: 500 Posts; Posts: 435; Joined: Mon Mar 15, 2010 6:15 am; Thanked: 32 times; Followed by:1 members

Easy Division

by eaakbari » Fri Mar 26, 2010 1:45 am

In doing a division of a question with zero remainder,a candidate took 12 as divisor instead of 21.The quotient obtained by him was 35. The correct quotient is?

a.0
b.12
c.13
d.20

Source: Beat The GMAT — Problem Solving | Fri Mar 26, 2010 1:45 am

eaakbari: Master | Next Rank: 500 Posts; Posts: 435; Joined: Mon Mar 15, 2010 6:15 am; Thanked: 32 times; Followed by:1 members

by eaakbari » Fri Mar 26, 2010 1:45 am

Dividend=12*35=420.
Now dividend =420 and divisor =21.
Therefore correct quotient =420/21=20.

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