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# 3-3*6+2=

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Intern
Joined: 01 Sep 2015
Posts: 7

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Updated on: 22 Jun 2016, 03:10
00:00

Difficulty:

15% (low)

Question Stats:

70% (00:17) correct 30% (00:33) wrong based on 36 sessions

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3-3*6+2=

A)2
B)-13
C)-18
D)-17
E)non of the above

I know its easy but it will make you jump.
Kudos if you like it.

Originally posted by KushalDhiman on 22 Jun 2016, 02:49.
Last edited by KushalDhiman on 22 Jun 2016, 03:10, edited 1 time in total.
Math Expert
Joined: 02 Aug 2009
Posts: 8626

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22 Jun 2016, 03:07
1
KushalDhiman wrote:
3-3*6+2=

A)2
B)-13
C)-18
D)-17
E)non of the above

I know its easy but it will make you jump.
Kudos if you like it.

It is easy and you have to follow BODMAS..
3-3*6+2 = 5-18 = -13...

Your OA -17 would be if the equation is 3-(3*6+2)....
so the answer is -13... B
Pl explain WHY it should be -17 and a 700 level Q, unless it is MORE of a riddle than a mathematical expression..
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Intern
Joined: 01 Sep 2015
Posts: 7

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22 Jun 2016, 03:13
Yeah. I just edited.
In my school, I was taught that we should be using BODMAS the way it is spelt.
I didn't know that DM as well as AS have equal value and should be calculated from left to right.
just wanted to clarify from the gurus here.
thanks.
Math Expert
Joined: 02 Aug 2009
Posts: 8626

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22 Jun 2016, 03:16
KushalDhiman wrote:
Yeah. I just edited.
In my school, I was taught that we should be using BODMAS the way it is spelt.
I didn't know that DM as well as AS have equal value and should be calculated from left to right.
just wanted to clarify from the gurus here.
thanks.

Just go by sign..

all those terms that have + sign, add them together and all that have -, add them together AND then subtract -s from +s..
Here too we have done exactly that .. 3-3*6+2 = 3+2-3*6 = 5-18 = -13
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Re: 3-3*6+2=   [#permalink] 22 Jun 2016, 03:16