International Maths Olympiad Forum By SOF Olympiad Trainer - Page 802

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

Ans 3:

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

Ans 4:

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

Ans 5:

Class : Class 7
the answer is (B)

Ans 6:

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

Ans 7:

Class : Class 3

Ans 8:

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

Ans 9:

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

Ans 10:

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

Ans 11:

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

Ans 12:

Class : Class 8
Answer is A

Ans 13:

Class : Class 7
(B)

Ans 14:

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

Ans 15:

Class : Class 5
Answer is B

Ans 16:

Class : Class 6
both answers A

Ans 17:

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

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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 4
Answer is 4 option B

Ans 2:

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

Ans 3:

Class : Class 5
Answer should’ve been D

Ans 4:

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

Ans 5:

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

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Subject :IMO    Class : Class 3

Ans 1:

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.

Ans 2:

Class : Class 4
good

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 4
Answer is C

Ans 2:

Class : Class 9
blah blah blahwhatever

Ans 3:

Class : Class 4
3/20 is correct

Ans 4:

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

Ans 5:

Class : Class 5

Ans 6:

Class : Class 6
3/20Thank you Priti Srivastav

Ans 7:

Class : Class 4
3/10

Ans 8:

Class : Class 8
3/10

Ans 9:

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

Ans 10:

Class : Class 3

Ans 11:

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 12:

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 13:

Class : Class 9

Ans 14:

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 15:

Class : Class 5
3/10 is correct

Ans 16:

Class : Class 5
3/20

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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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