# User Forum Subject :IMO    Class : Class 5

Subject :IMO    Class : Class 6

Subject :IMO    Class : Class 3

Class : Class 1

(D): There are 28 slanting lines.

## Ans 2:

Class : Class 3
Please mark as 1,2,....28 in the diagram

## Ans 3:

Class : Class 4
Don't count straight lines , then its 28

Class : Class 4

Class : Class 3

## Ans 6:

Class : Class 4
there are 30 slanting lines i dont know why they are saying 28

Class : Class 4
D

Class : Class 3
D

## Ans 9:

Class : Class 3

Subject :IMO    Class : Class 3

Class : Class 1

(C): Divya's birthday is on 4th Saturday that is November 27
6 days before November 27 = November 21
So, Richa's birthday is on November 21

## Ans 2:

Class : Class 3

Subject :IMO    Class : Class 7

## Ans 1:

Class : Class 7
The correct answer/option is D and the solution too is provided in the solution icon.

## Ans 2:

Class : Class 9
IT SHOULD NOT BE A,IT SHOULD D BECAUSE EVERY TIME WE START FROM 0.HERE,IN THIS QUESTION WHEN WE START FROM 0 THAT IS -4 AND THEN +2.SO,CORRECT ANSWER IS D.

## Ans 3:

Class : Class 7

Subject :IMO    Class : Class 5

Class : Class 1
Ans is A.

Class : Class 5

Class : Class 6
A

## Ans 4:

Class : Class 6
A is the answer to this question

Subject :IMO    Class : Class 4

Class : Class 1

(D): Total number of cookies = 12
Number of butter cookies = 4
Number of chocolate cookies = 12 - 4 = 8
Fraction of chocolate cookies = 8⁄12 = 2⁄3

Subject :IMO    Class : Class 2

Subject :IMO    Class : Class 3

Class : Class 1

(B): Cost of necklace = ₹ 120
Cost of purse = ₹ 80
Total cost = ₹ 120 +  ₹ 80 = ₹ 200
Thus with ₹ 200, she can buy a necklace and purse so that no money will be left with her.

Subject :IMO    Class : Class 8

## Ans 1:

Class : Class 9
x+1/x=4 So,(x+1/x)^2=4^2=16 x^2+2+1/x^2=16 Since (x-1/x)^2=x^2-2+1/x^2, It will be=(x+1/x)^2-4=16-4=12 So, (x-1/x)=√12 Which is equal to √2×2×3 =2√3

## Ans 2:

Class : Class 9
x+1/x=4 So,(x+1/x)^2=4^2=16 x^2+2+1/x^2=16 Since (x-1/x)^2=x^2-2+1/x^2, It will be=(x+1/x)^2-4=16-4=12 So, (x-1/x)=√12 Which is equal to √2×2×3 =2√3