International Maths Olympiad Forum By SOF Olympiad Trainer - Page 537

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Subject :IMO    Class : Class 3

Ans 1:

Class : Class 4

Ans 2:

Class : Class 7
q must be 7 and p is 5

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Subject :IMO    Class : Class 1

Ans 1:

Class : Class 5
hi

Ans 2:

Class : Class 8
Smallest odd number = 1 4 more than the smallest odd number is 5 ∴ First digit is 5 Factors of 2 are 1, 2 Factors of 11 are 1, 11 Common factor of 2 and 11 is 1 ∴ Second digit is 1 Product of first two digits = 1 × 5 = 5 ∴ Third digit is 5 Single digit multiple of 6 is 6 itself. ∴ Fifth digit is 6 Now, sum of fourth digit and fifth digit is 9. ∴ Fourth digit = 9 - 6 = 3 ∴ Required number = 51536

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Subject :IMO    Class : Class 5

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Subject :IMO    Class : Class 5

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Subject :IMO    Class : Class 8

Ans 1:

Class : Class 9
Answer is option c because rational no.s are associative under additional and multiplication only

Ans 2:

Class : Class 9
c

Ans 3:

Class : Class 8
answer c

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Subject :IMO    Class : Class 7

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Subject :IMO    Class : Class 6

Ans 1:

Class : Class 7

Ans 2:

Class : Class 8
option b is correct because there are 5 obtuse angles : ROS, QOS, POS, ROT, QOT

Ans 3:

Class : Class 10

Ans 4:

Class : Class 8
there are 5

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 7
the correct answer is (c)

Ans 2:

Class : Class 5
AL=2,KJ=2,IH=2,GF=2,ED=2.SO,2 2 2 2 2=10.BC=10so10 10=20breadth=7x2=14so20 14=34how can option C be correct

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Subject :IMO    Class : Class 3

Ans 1:

Class : Class 4
ball

Ans 2:

Class : Class 9
SolutionExcept (B) all the three are spherical balls.

Ans 3:

Class : Class 3

Ans 4:

Class : Class 9

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Subject :IMO    Class : Class 3

Ans 1:

Class : Class 6
Focus on numbers

Ans 2:

Class : Class 7
Lalita is first then how can Piyush stood after Lalita

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