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Subject :IMO    Class : Class 10

Ans 1: (Master Answer)

Class : Class 1
The correct answer is B.

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Subject :IMO    Class : Class 10

Ans 1:

Class : Class 10
answer is 215 as all others are multiples of 13 247=13*19 91=13*7 65=13*5

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Subject :IMO    Class : Class 8

Ans 1:

Class : Class 8

Ans 2:

Class : Class 4
from where the 12 come?

Ans 3:

Class : Class 8

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Subject :IMO    Class : Class 7

Ans 1: (Master Answer)

Class : Class 1
860% of 50= (860/100)x50 and 50% of 860 is (50/100)x860

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Subject :IMO    Class : Class 8

Ans 1:

Class : Class 8

Ans 2:

Class : Class 8
6

Ans 3:

Class : Class 9
answer is coming as B in site

Ans 4:

Class : Class 10
Answer:C

Solution
Work done by A in 1 day = 1/9
Work done by B in 1 day = 1/9 + 50% of 1/9 = 3/18 = 1/6
Days needed by B to complete the work = 6 days

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Subject :IMO    Class : Class 4

Ans 1: (Master Answer)

Class : Class 1
The correct answer is D.

Ans 2:

Class : Class 4
It should be 5. 3 removed from center triangle and 2 joining the top of the 3 triangle on the bottom there remains 4 triangles : 3 on the bottom and 1 outer triangle

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Subject :IMO    Class : Class 8

Ans 1:

Class : Class 10
Answer : Diagonals are equal. Corrected option B to say "Diagonals are equal"

Ans 2:

Class : Class 9
ANS:DIAGONALS ARE EQUAL

Ans 3:

Class : Class 10
Answer : Diagonals are equal. Corrected option B to say "Diagonals are equal"

Ans 4:

Class : Class 8
(D) one angle is 90 degree

Ans 5:

Class : Class 7
both the options c and d are correct

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Subject :IMO    Class : Class 8

Ans 1:

Class : Class 10
Answer : -3/35 We have corrected the answer. Thanks for pointing out.

Ans 2:

Class : Class 10
Answer : -3/35 We have corrected the option C as -3/35. Thanks for pointing out.

Ans 3:

Class : Class 9
you are correct. the answer is wrong as given here. it should be-3/35.

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Subject :IMO    Class : Class 8

Ans 1:

Class : Class 10
The symbol for mathematical operation ( ,-,/,*) after "4" is not clear

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Subject :IMO    Class : Class 3

Ans 1:

Class : Class 4

Ans 2:

Class : Class 5
Answer is C that is 13

Ans 3:

Class : Class 3
13

Ans 4:

Class : Class 3
C 13

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