International Maths Olympiad Forum By SOF Olympiad Trainer - Page 573

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Subject :IMO    Class : Class 7

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Subject :IMO    Class : Class 7

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 5
What happened to July?

Ans 2:

Class : Class 6
answer should be D

Ans 3:

Class : Class 8
C is the answer I am sure!

Ans 4:

Class : Class 10
If anyone says July is the answer than you have told the wrong answer ,the answer is June

Ans 5:

Class : Class 6
oh my god. you have posted the easiest question in science olympiad foundation for grade 5 . the ans is july

Ans 6:

Class : Class 6
oh my god. you have posted the easiest question in science olympiad foundation for grade 5 . the ans is july

Ans 7:

Class : Class 6
It is d because it is wrong in solution

Ans 8:

Class : Class 6
c is the answer

Ans 9:

Class : Class 5

Ans 10:

Class : Class 10
d should be the answer

Ans 11:

Class : Class 8
The answer is D.

Ans 12:

Class : Class 7

Ans 13:

Class : Class 9
If it is taken in the first month then it should be July..........................I think...................

Ans 14:

Class : Class 6
It is actually c because u should not count the cm in the month but in the before months increasing

Ans 15:

Class : Class 5
D is the answer as increase in height in April is 10 cm.,May is 12 cm., June is 11 cm., and July is 13 cm. So, the most increase in height took place in July.

Ans 16:

Class : Class 6
if you say that even may can be the answer

Ans 17:

Class : Class 8
yes, answer is C as the height was increased in June, not in July. The measure was taken on June 1st as mentioned. When you will read the question carefully, It will become really simple.Its not arduous at all.

Ans 18:

Class : Class 7
C

Ans 19:

Class : Class 5
D is the answer as increase in height in April is 10 cm.,May is 12 cm., June is 11 cm., and July is 13 cm. So, the most increase in height took place in July.

Ans 20:

Class : Class 4
well the increase in height took place BETWEEN june and july so pls do explain which one shall i take

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 7
Yes, same here. Answer is option C

Ans 2:

Class : Class 10
It should be Option C) because Obtuse Angle is always less than 180 but more than 90 and X shown in the figure is greater than 180 degree so it should be Reflex Angle

Ans 3:

Class : Class 5
reflex angle as it has 20 more degrees added to 180 degrees

Ans 4:

Class : Class 6
how is it c tho??? its obtuse... right?

Ans 5:

Class : Class 5
c reflex angle

Ans 6:

Class : Class 4

Ans 7:

Class : Class 5

Ans 8:

Class : Class 5
it is c)

Ans 9:

Class : Class 9
Reflex on board

Ans 10:

Class : Class 8
it should be b

Ans 11:

Class : Class 5
How Reflex angle??? it is a right angle.

Ans 12:

Class : Class 8
For me it is (C)

Ans 13:

Class : Class 6

Ans 14:

Class : Class 5
I want to go with answer c) Reflex Angle

Ans 15:

Class : Class 5
I know you have this question from book of mtg imo class 5 chapter angles and question no. 10

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 6
(a) 3 hours 45 min 15 seconds

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Subject :IMO    Class : Class 8

Ans 1:

Class : Class 9
C

Ans 2:

Class : Class 8
And is option C

Ans 3:

Class : Class 8
And is option C

Ans 4:

Class : Class 9
LET THE NUMBER BE X AND Y X-Y=1 X=Y+1 GIVEN X+Y=25 EQUATE X AS Y+1 Y+1+Y=25 2Y+1=25 2Y=24 Y=12 X=25-Y=13 ANSWER IS C-12,13

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Subject :IMO    Class : Class 8

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Subject :IMO    Class : Class 5

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 6
Be sure that you are clear and tell me the version of your computer as a question in general subject right now. also you can send it as an answer in this post

Ans 2:

Class : Class 8
B

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Subject :IMO    Class : Class 7

Ans 1:

Class : Class 9
the answer is correct....your calculations might be wrong

Ans 2:

Class : Class 9
TOTAL AREA OF FIGURE= 1/2 PI R^2= 1/2*14*14*22/7=308CM^2 AREA OF WHITE ARE= PI R^2 22/7*7*7=154 cm^2 THEREFORE RE O SHADED REGION= 308-154=154 CM^2 OPTION C IS CORRECT

Ans 3:

Class : Class 10

Ans 4:

Class : Class 9

Ans 5:

Class : Class 7
the answer is wrong

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