International Maths Olympiad Forum By SOF Olympiad Trainer - Page 369

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 5

Ans 2: (Master Answer)

Class : Class 1

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


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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
Monday

Ans 2:

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 3:

Class : Class 3
monday is correct answer

Ans 4:

Class : Class 3
Answer should be monday

Ans 5:

Class : Class 4

Ans 6:

Class : Class 9

Ans 7:

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

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

Ans 10:

Class : Class 9
Incorrect

Ans 11:

Class : Class 3

Ans 12:

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

Ans 13: (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 14:

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

Ans 15:

Class : Class 6

Ans 16:

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

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Subject :IMO    Class : Class 4

Ans 1:

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

Ans 2:

Class : Class 4
Don,r know the explanation

Ans 3:

Class : Class 7
Why’s the answer is D

Ans 4:

Class : Class 4
Option B 180

Ans 5:

Class : Class 7

Ans 6:

Class : Class 1
answer is B

Ans 7:

Class : Class 5
B

Ans 8:

Class : Class 9
The correct answer is B

Ans 9:

Class : Class 8

Ans 10:

Class : Class 7

Ans 11:

Class : Class 4
Me too don,r know

Ans 12:

Class : Class 4
how can the answer B become can anyone explain.

Ans 13:

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

Ans 14:

Class : Class 4
The correct answer is B 180

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Subject :IMO    Class : Class 3

Ans 1:

Class : Class 5

Ans 2:

Class : Class 1
This is a Good question for kids

Ans 3:

Class : Class 3
its very riddely

Ans 4: (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


Ans 5:

Class : Class 4

Ans 6:

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

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Subject :IMO    Class : Class 2

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Subject :IMO    Class : Class 7

Ans 1:

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

Ans 2: (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 3:

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

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Subject :IMO    Class : Class 4

Ans 1:

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

Ans 2: (Master Answer)

Class : Class 1

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


Ans 3:

Class : Class 9
A is the answer

Ans 4:

Class : Class 4
a is ans

Ans 5:

Class : Class 5
(A) is the answer

Ans 6:

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

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