International Maths Olympiad Forum By SOF Olympiad Trainer - Page 332

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Subject :IMO    Class : Class 4

Ans 1: (Master Answer)

Class : Class 1

(D):

74 x 43 = 3182
Now, 
A) 70 x 43 + 4 x 43 = 3182
B) 69 x 43 + 5 x 43 = 3182
C) 72 x 43 + 2 x 43 = 3182
D) 72 x 43 x 2 = 6192
Therefore, 74 x 43 is not equal to 72 x 43 x 2.


Ans 2:

Class : Class 4

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Subject :IMO    Class : Class 6

Ans 1: (Master Answer)

Class : Class 1

(C): 


Ans 2:

Class : Class 6

Ans 3:

Class : Class 2

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 7
correct answer is B

Ans 2: (Master Answer)

Class : Class 1

(B):

Here, P = 1, Q = 6, R = 2
So, P + Q – R = 1 + 6 – 2 = 5


Ans 3:

Class : Class 7
B

Ans 4:

Class : Class 6

Ans 5:

Class : Class 4
this question is wrong the correct answer is A

Ans 6:

Class : Class 2
Yes the answer is B Because P=1,Q=6 so 1 6=7

Ans 7:

Class : Class 7
answer ha b not a you must have took the 8 in the position of 6 like I did by mistake check again please retry and concentratethats it

Ans 8:

Class : Class 5
(B):Here,P=1,Q=6,R=2So,P Q-R=1 6-2=5

Ans 9:

Class : Class 5

Ans 10:

Class : Class 7

Ans 11:

Class : Class 5
(B):Here, P=1, Q=6,R=2So, P Q-R=16-2=5

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Subject :IMO    Class : Class 6

Ans 1:

Class : Class 8

Ans 2:

Class : Class 7

Ans 3:

Class : Class 8

Ans 4: (Master Answer)

Class : Class 1

(C): After replacing the signs, the given equation becomes,
5 - 16 ÷ 4 + 20 × 40
= 5 - 4 + 20 × 40 = 5 - 4 + 800 = 801


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Subject :IMO    Class : Class 7

Ans 1:

Class : Class 10

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Subject :IMO    Class : Class 6

Ans 1:

Class : Class 4
option c is correct

Ans 2:

Class : Class 7
-3 3=00 is neither positive nor negative

Ans 3: (Master Answer)

Class : Class 1

Option (C) is correct.


Ans 4:

Class : Class 9

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Subject :IMO    Class : Class 6

Ans 1: (Master Answer)

Class : Class 1

(D): –3 > –5, since –5 lies on the left side of –3 in the number line.


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Subject :IMO    Class : Class 5

Ans 1: (Master Answer)

Class : Class 1

(C):

After rearranging the figure, we get

 


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Subject :IMO    Class : Class 2

Ans 1: (Master Answer)

Class : Class 1

(D):


There are two shapes with 5 sides and two shapes with 6 sides.

 


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Subject :IMO    Class : Class 2

Ans 1: (Master Answer)

Class : Class 1

(D):

13 tens + 2 ones = 130 + 2 = 132

So, from options 123 is less than 132.


Ans 2:

Class : Class 6
You are right D is the correct answer

Ans 3:

Class : Class 5

Ans 4:

Class : Class 2
D is the correct answer

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