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Subject :IMO    Class : Class 7

Ans 1:

Class : Class 7
1/u + 1/v =1/f => 1/u = 1/f - 1/v => 1/u = (v-f)/fv => u = fv/(v-f) Answer: B

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 6
the correct answer is A.

Ans 2:

Class : Class 5

Ans 3:

Class : Class 6
Both a and c are correct. As a is symmetrical vertically and c is symmetrical horizontally.

Ans 4:

Class : Class 6
Ans. should be 'A'. 'C' doesn't have a line of symmetry.

Ans 5:

Class : Class 7
I think the answer is A.

Ans 6:

Class : Class 5
The correct option is ‘ a ' .

Ans 7:

Class : Class 5
Both options a and c are correct

Ans 8:

Class : Class 6
option a is correct. option c does not have a line of symmetry.

Ans 9:

Class : Class 7
Both A and C are correct options

Ans 10:

Class : Class 5
The correct answer is A.

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 5

Ans 2:

Class : Class 6
E and C doesn't have a vertical line of symmetry

Ans 3:

Class : Class 5
S and C don't have a line of symmetry

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 8
16:24:48=2:3:6

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Subject :IMO    Class : Class 3

Ans 1:

Class : Class 3
B

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Subject :IMO    Class : Class 7

Ans 1:

Class : Class 7
D) 45 because BC is bisector of right angled triangle

Ans 2:

Class : Class 7
OPTION:-D) 45 degree because CB is bisector of right triangle

Ans 3:

Class : Class 7
D

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Subject :IMO    Class : Class 7

Ans 1:

Class : Class 7

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Subject :IMO    Class : Class 7

Ans 1: (Master Answer)

Class : Class 1
The correct answer is A.

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Subject :IMO    Class : Class 7

Ans 1:

Class : Class 7
A

Ans 2:

Class : Class 7
A

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Subject :IMO    Class : Class 7

Ans 1: (Master Answer)

Class : Class 1
The correct answer is B.

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