International Maths Olympiad Forum By SOF Olympiad Trainer - Page 276

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Subject :IMO    Class : Class 7

Ans 1:

Class : Class 9
no,as in M U E, u and e are vowel

Ans 2:

Class : Class 9
the ans is 2i.e L and U.

Ans 3:

Class : Class 8
One..

Ans 4:

Class : Class 8

Ans 5:

Class : Class 6
It should be 2

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Subject :IMO    Class : Class 7

Ans 1:

Class : Class 8
Answer is c

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Subject :IMO    Class : Class 3

Ans 1: (Master Answer)

Class : Class 1

(B): Total time travelled = 4 hrs 30 mins
Time spent  in reading = 2 hrs 20 mins
Time  spent in playing games = 4 hrs 30 mins - 2 hrs 20 mins = 2 hrs 10 mins


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Subject :IMO    Class : Class 6

Match the following.

Column-I Column-II
(P) The first term of
a ratio is called
(i) proportion
(Q) An equality of two
ratios is called
(ii) antecedent
(R) A ratio whose terms
have no common factor other
than 1 is said to be
in the
(iii) simplest form


A (P) → (ii); (Q) → (i); (R) → (iii)
B (P) → (i); (Q) → (iii); (R) → (ii)
C (P) → (iii); (Q) → (i); (R) → (ii)
D (P) → (ii); (Q) → (iii); (R) → (i)


Ans 1:

Class : Class 8

Ans 2:

Class : Class 6

Ans 3:

Class : Class 6
this answer is wrrong.

Ans 4:

Class : Class 6

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Subject :IMO    Class : Class 9

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Subject :IMO    Class : Class 7

Ans 1:

Class : Class 7
sss

Ans 2:

Class : Class 7
sss

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Subject :IMO    Class : Class 7

Ans 1:

Class : Class 7

Ans 2:

Class : Class 8
Answer is 3:8. I would suggest you to assume the values of x and 6y (i assumed 2 and 24 respectively..). then calculate the area of rectangle(in my case 48 sq. cm).. then calculate the area of both triangles (i hope u can!) and find their ratio..

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Subject :IMO    Class : Class 7

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Subject :IMO    Class : Class 6

Ans 1:

Class : Class 6

Ans 2:

Class : Class 6
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Subject :IMO    Class : Class 3

Ans 1:

Class : Class 4
This is a trick everybody should know- 456 tens = 4560 . most of the people don't understand this part . Now pay attention to this 456 - _______ = 2456 ( 4560 - _______ = 2456 )Now __________ = 4560 - 2456 . If we do the following subtraction sum, we shall find out the answer i . e. 2104 meaning 4560 - 2456 = 2104

Ans 2:

Class : Class 6
456 tens=4560-_=2456. You can find the answer by 4560-2456=2104.So the blank is =4560-2456=2104. This is the trick.

Ans 3: (Master Answer)

Class : Class 1

(C): 456 tens = 4560

Now, it is given that

4560 –  = 2456

∴  = 4560 – 2456    
∴  = 2104


Ans 4:

Class : Class 4

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