International Maths Olympiad Forum By SOF Olympiad Trainer - Page 391

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Subject :IMO    Class : Class 8

Ans 1:

Class : Class 9
Answer is D obviously

Ans 2:

Class : Class 7
Obviously D is the answer

Ans 3:

Class : Class 9
none of the answer is correct

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Subject :IMO    Class : Class 5

Ans 1: (Master Answer)

Class : Class 1

(B): 42250 - 31125 = 11,125
Rounding off to the nearest thousand = 11000
 


Ans 2:

Class : Class 5

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Subject :IMO    Class : Class 6

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Subject :IMO    Class : Class 3

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Subject :IMO    Class : Class 5

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Subject :IMO    Class : Class 3

Ans 1:

Class : Class 3
the answer should be monday or tuesday but,they have not given the correct answer or tuesday. SOF has been wrong many times.

Ans 2:

Class : Class 9
Incorrect

Ans 3:

Class : Class 3
Monday

Ans 4:

Class : Class 6

Ans 5:

Class : Class 9

Ans 6:

Class : Class 9
Incorrect.It should be Friday Or Monday.How could it be Sunday?

Ans 7:

Class : Class 3
Yes the correct answer is Monday not Sunday. Please correct it

Ans 8:

Class : Class 3
This is incorrect. The correct answer should be Monday. The first day from 20th Sep is the 21st of Sep and not the 20th of Sep. Hence, the 7th day should be a Mon and so will all multiples of 7 starting the 20th of Sep.

Ans 9:

Class : Class 4

Ans 10:

Class : Class 3
Answer should be monday

Ans 11: (Master Answer)

Class : Class 1

(B):  1st day = 20th sep = Monday
8th day = 27th sep = Monday
15th day = 4th oct = Monday
22nd day = 11th oct = Monday
29th day = 18th oct = Monday
35th day = 24th oct = Sunday


Ans 12:

Class : Class 3
sunday is completely wrong .SOF is getting it things wrong many times

Ans 13:

Class : Class 3

Ans 14:

Class : Class 6
Incorrect. The first day "FROM" 20 Sep is 21 Sep. Correct answer should be Monday.

Ans 15:

Class : Class 4
Yeah... The answer should be option D

Ans 16:

Class : Class 3
monday is correct answer

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 1
answer is B

Ans 2:

Class : Class 7

Ans 3:

Class : Class 5
B

Ans 4:

Class : Class 4
Option B 180

Ans 5:

Class : Class 4
Don,r know the explanation

Ans 6:

Class : Class 9
The correct answer is B

Ans 7:

Class : Class 4
The correct answer is B 180

Ans 8:

Class : Class 4
Don,t instead of don,r

Ans 9:

Class : Class 7

Ans 10:

Class : Class 5
how can the answer B become can anyone explain.

Ans 11:

Class : Class 7
Why’s the answer is D

Ans 12:

Class : Class 8

Ans 13:

Class : Class 6
The answer for this question is 'B'

Ans 14:

Class : Class 4
Me too don,r know

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Subject :IMO    Class : Class 3

Ans 1:

Class : Class 1
This is a Good question for kids

Ans 2:

Class : Class 5
D) Cost of 500 gm of peaches= Rs.8 Cost of 250 gm = Rs. 4 so 250 gm 500 gms = 750 gms = Rs.8 Rs.4 = Rs. 12

Ans 3:

Class : Class 3
its very riddely

Ans 4:

Class : Class 4

Ans 5:

Class : Class 5

Ans 6: (Master Answer)

Class : Class 1

(D): Cost of 500 gm of peaches = ₹ 8
Cost of 250 gm of peaches = ₹ 4
Cost of 750 gm (i.e. 250 gm + 500 gm) of peaches = ₹ 8 + ₹ 4 = ₹ 12


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Subject :IMO    Class : Class 2

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Subject :IMO    Class : Class 7

Ans 1: (Master Answer)

Class : Class 1

(B): A. Multiplication of two integers with unlike signs is always  negative.
B. When a positive integer is divided by a negative integer, the quotient obtained is a negative integer.
C. Product of odd number of negative integers is negative . 
 


Ans 2:

Class : Class 8
Option is wrong\Answer is (D)

Ans 3:

Class : Class 8
No, the answer is B, as the admin says.. Because whatever the number might be, it will surely be negative.. example: 50/-23 is negative anyhow

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