International Maths Olympiad Forum By SOF Olympiad Trainer

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Subject :IMO    Class : Class 2

Ans 1:

Class : Class 2
6

Ans 2:

Class : Class 2

Ans 3:

Class : Class 2

Ans 4:

Class : Class 3
6

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Subject :IMO    Class : Class 6

Ans 1:

Class : Class 6
how?

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Class : Class 6

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Subject :IMO    Class : Class 6

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Subject :IMO    Class : Class 6

Ans 1:

Class : Class 7
its d 1\15

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Subject :IMO    Class : Class 6

Ans 1:

Class : Class 7
INDIA invented zero and its inventor is Bramagupta or Aryabhatta

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Class : Class 8
India invented 0 and its inventor is Aryabhatta.

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Subject :IMO    Class : Class 6

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 3
B is the right answer as the date he will join is 14th Oct

Ans 2:

Class : Class 4
a is the correct answer

Ans 3:

Class : Class 5
ans will be b because holidays till 13th but he will join on 14th

Ans 4:

Class : Class 6
A is the right answer

Ans 5:

Class : Class 4
A is the correct answer.

Ans 6:

Class : Class 4
b is the correct answer

Ans 7:

Class : Class 5
a is the correct answer

Ans 8:

Class : Class 3
A is the right answer

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Subject :IMO    Class : Class 2

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Subject :IMO    Class : Class 7

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Subject :IMO    Class : Class 7

Ans 1:

Class : Class 7
As the length of side of square is 8 cm ,so it's area will be 8×8cm which is equal to 64 sq. cm.Now ,to find the area of triangle,i.e. the unshaded area ,we have to apply the formula of (1\2×base×height).Now the base is equal to the length of the side of square I.e. 8cm and the height is 3cm.Now the area of triangle is (1\2×8×3)cm =12cm.Now we have to subtract the unshaded area from the area of whole square I.e. 64 sq.cm-12 sq.cm =52sq.cm.So the answer is option B.

Ans 2:

Class : Class 7
As the length of side of square is 8 cm ,so it's area will be 8×8cm which is equal to 64 sq. cm.Now ,to find the area of triangle,i.e. the unshaded area ,we have to apply the formula of (1\2×base×height).Now the base is equal to the length of the side of square I.e. 8cm and the height is 3cm.Now the area of triangle is (1\2×8×3)cm =12cm.Now we have to subtract the unshaded area from the area of whole square I.e. 64 sq.cm-12 sq.cm =52sq.cm.So the answer is option B.

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