International Maths Olympiad Forum By SOF Olympiad Trainer - Page 310

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Subject :IMO    Class : Class 3

Ans 1:

Class : Class 6
Incorrect

Ans 2:

Class : Class 3

Ans 3:

Class : Class 6

Ans 4:

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 5:

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 6:

Class : Class 6
Incorrect.It should be Friday Or Monday.How could it be Sunday?

Ans 7:

Class : Class 3
Yeah... The answer should be option D

Ans 8: (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 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

Ans 12:

Class : Class 6

Ans 13:

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

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 4
Option B 180

Ans 2:

Class : Class 7
Why’s the answer is D

Ans 3:

Class : Class 4
The correct answer is B 180

Ans 4:

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

Ans 5:

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

Ans 6:

Class : Class 7

Ans 7:

Class : Class 8
The correct answer is B

Ans 8:

Class : Class 5
B

Ans 9:

Class : Class 7

Ans 10:

Class : Class 1
answer is B

Ans 11:

Class : Class 8

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Subject :IMO    Class : Class 3

Ans 1:

Class : Class 4

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 5

Ans 4:

Class : Class 1
This is a Good question for kids

Ans 5: (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 6:

Class : Class 3
its very riddely

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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:

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 3: (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 . 
 


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Subject :IMO    Class : Class 4

Ans 1: (Master Answer)

Class : Class 1

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


Ans 2:

Class : Class 7
A is the answer

Ans 3:

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

Ans 4:

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

Ans 5:

Class : Class 4
(A) is the answer

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Subject :IMO    Class : Class 6

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Subject :IMO    Class : Class 4

Ans 1: (Master Answer)

Class : Class 1

(A): Given digits = 9,8,3,4
Greatest 6 digit no. formed  by these digits = 999843
Smallest 5 digit no. formed by these digits = 33489
Required difference = 999843 - 33489 = 966354


Ans 2:

Class : Class 5
Admin is wrong , because the question given the digit used once but admin is using digit 9 multiple time which is wrong , so either question or options is wrong .

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Subject :IMO    Class : Class 3

Ans 1: (Master Answer)

Class : Class 1

(B): 709 is seven hundred nine.


Ans 2:

Class : Class 3

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Subject :IMO    Class : Class 4

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