International Maths Olympiad Forum By SOF Olympiad Trainer - Page 455

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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: (Master Answer)

Class :

(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 2:

Class : Class 5

Ans 3:

Class : Class 3
B

Ans 4:

Class : Class 6

Ans 5:

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 6:

Class : Class 3

Ans 7:

Class : Class 9

Ans 8:

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

Ans 9:

Class : Class 3
Answer should be monday

Ans 10:

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

Ans 11:

Class : Class 3
monday is correct answer

Ans 12:

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 13:

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

Ans 14:

Class : Class 9
Incorrect

Ans 15:

Class : Class 4
Monday

Ans 16:

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

Ans 17:

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

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 6
Don,r know the explanation

Ans 2:

Class : Class 6
Me too don,r know

Ans 3:

Class : Class 1
answer is B

Ans 4:

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

Ans 5:

Class : Class 7
Why’s the answer is D

Ans 6:

Class : Class 7

Ans 7:

Class : Class 7

Ans 8:

Class : Class 6
Don,t instead of don,r

Ans 9:

Class : Class 5
B

Ans 10:

Class : Class 10

Ans 11:

Class : Class 4
Option B 180

Ans 12:

Class : Class 9
The correct answer is B

Ans 13:

Class : Class 4
The correct answer is B 180

Ans 14:

Class : Class 6
how can the answer B become can anyone explain.

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Subject :IMO    Class : Class 3

Ans 1: (Master Answer)

Class :

(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


Ans 2:

Class : Class 5

Ans 3:

Class : Class 3
its very riddely

Ans 4:

Class : Class 9
This is a Good question for kids

Ans 5:

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 6:

Class : Class 4

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Subject :IMO    Class : Class 2

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Subject :IMO    Class : Class 7

Ans 1:

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

Ans 2: (Master Answer)

Class :

(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 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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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 6
(A) is the answer

Ans 2: (Master Answer)

Class :

(A): The best estimate of 795 is  800 . 


Ans 3:

Class : Class 4
(A): The best estimate of 795 is 800 .

Ans 4:

Class : Class 9
A is the answer

Ans 5:

Class : Class 6
a is ans

Ans 6:

Class : Class 8
(A) because the best estimate of 795 is 800.

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Subject :IMO    Class : Class 6

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