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IPS please help me

Posted: Thu Jul 14, 2011 7:38 pm
by senthi
daily pratice, book 2 ,IPS ,Q:3 ,TEST 19

(9[27]6) (8[28]6)

(7[ ]6)

THE ANSWER:21

can anyone explain the work out please?thankyou

Re: IPS please help me

Posted: Thu Jul 14, 2011 7:47 pm
by winner1973
Are u sure u have 28 in the middle, it seems it is 24.
(8[28]6)

If 24 then it makes sense, you multiply 8 and 6, then half it.

9 and 6 makes 54, half it and it becomes 27, same for 7 and 6 which makes 42, half it and it also becomes 21.

Re: IPS please help me

Posted: Thu Jul 14, 2011 7:53 pm
by senthi
iam really sorry ,i repeat the question for you

(9[27]6) (8[28]7)

(7[ ]6)


thanyou

Re: IPS please help me

Posted: Thu Jul 14, 2011 8:07 pm
by dontpanic
(9*6) /2 =27
(8*7) /2 =28
(7*6) /2 =21

Re: IPS please help me

Posted: Thu Jul 14, 2011 8:11 pm
by senthi
thank you dontpanic.