International Maths Olympiad Forum By SOF Olympiad Trainer - Page 819

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 7
there are so many wrong questions like this in sof. i request all to contact all to sof

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Subject :IMO    Class : Class 3

Ans 1:

Class : Class 10
Answer:B

There was a mistake in the options. It has been corrected now.
Solution
1535+279 = 1814
1984-164 = 1820
Even number between 1814 and 1820 are 1816 and 1818
Sum of 1816 + 1818 = 3634

Ans 2:

Class : Class 10
Answer:B

There was a mistake in the options. It has been corrected now.
Solution
1535+279 = 1814
1984-164 = 1820
Even number between 1814 and 1820 are 1816 and 1818
Sum of 1816 + 1818 = 3634

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Subject :IMO    Class : Class 3

Ans 1:

Class : Class 3
answer is wrong because given term respectively is givenabhishree singh lucknow india

Ans 2:

Class : Class 7
The answer given by SOF is wrong.Please don't confuse us.

Ans 3:

Class : Class 3

Ans 4:

Class : Class 8
Answer is A

Ans 5:

Class : Class 7
(B)

Ans 6:

Class : Class 5
Answer is b. Their answer is wrong

Ans 7:

Class : Class 7
the answer is (B)

Ans 8:

Class : Class 4
It is very horrified that answer given is wrong..............should be B.

Ans 9:

Class : Class 6
both answers A

Ans 10:

Class : Class 8
kushaan is correct.Answer is B.Their answer is incorrect.SOF ofte makes mistakes.It is very bad

Ans 11:

Class : Class 3
Answer is A because it is written respectively

Ans 12:

Class : Class 5
Answer is B

Ans 13:

Class : Class 3
only A is correct as term respectively is used

Ans 14:

Class : Class 1
The answer is "B".sofor is wrong

Ans 15:

Class : Class 3
it was a trick question and answer should be D only

Ans 16:

Class : Class 2
Answer is B only as it is written respectively and accordingly and - signs are shown.

Ans 17:

Class : Class 3
Yes I agree with Sanjivani Saha that Kushan is correct The answer given by SOF is wrong

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Subject :IMO    Class : Class 5

Ans 1: (Master Answer)

Class : Class 1
There are 25 hexagons in the figure. For 2/5 to be left unshaded, 3/5 of them must be shaded. Now, total no. of hexagons which must be shaded are:- (3/5)x25=15

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Subject :IMO    Class : Class 3

Ans 1:

Class : Class 5
Answer should’ve been D

Ans 2:

Class : Class 5
The answer is D. Value of Q is 4 and 4 is 6 less than 10.

Ans 3:

Class : Class 6
Correct Answer is D. Q is 4, hence, 6 less than 10.

Ans 4:

Class : Class 4
Answer is 4 option B

Ans 5:

Class : Class 5
4 should’ ve been the answer given by them

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Subject :IMO    Class : Class 3

Ans 1:

Class : Class 4
good

Ans 2:

Class : Class 3
The logic is simple here.. Rohan delivers newspapers on weekdays (i.e) Monday to Friday. The only condition that would address the number of papers delivered on Sunday is if he deliver's 14 more papers on Sunday than on weekdays. So the answer is 1.

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 6
3/20Thank you Priti Srivastav

Ans 2:

Class : Class 4
Answer is C

Ans 3:

Class : Class 4
Answer is option B or 3/10

Ans 4:

Class : Class 4
3/20 is correct

Ans 5:

Class : Class 3

Ans 6:

Class : Class 4
the correct answer is 3/20 which is C

Ans 7:

Class : Class 10
Answer : B
Milk left for the evening = 1 - 2/8 = 6/8
Milk consumed in the evening = 3/5 of 6/8 = 3/5 x 6/8 = 18/40
Total milk consumed = 2/8 + 18/40 = 28/40
Milk left = 1 -28/40 = 12/40 = 3/10

Ans 8:

Class : Class 9

Ans 9:

Class : Class 5
3/20

Ans 10:

Class : Class 5
3/10 is correct

Ans 11:

Class : Class 8
3/10

Ans 12:

Class : Class 9
blah blah blahwhatever

Ans 13:

Class : Class 5

Ans 14:

Class : Class 9
2/8 (=10/40) in the morning left only 6/8 3/5 of 6/8 = 18/40 leftover milk is = 1-(10/40) - (18/40) = 12/40 = 3/10

Ans 15:

Class : Class 6
It is 3/20 because- if you add 2/8 and 3/5 =17/20 which he drank =20/20-17/20=3/20

Ans 16:

Class : Class 4
3/10

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Subject :IMO    Class : Class 7

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Subject :IMO    Class : Class 8

Ans 1:

Class : Class 8
D part

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Subject :IMO    Class : Class 8

Ans 1:

Class : Class 10

Ans 2: (Master Answer)

Class : Class 1
The correct answer is D.

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