# User Forum

Subject :IMO    Class : Class 3

Class : Class 5

## Ans 2:

Class : Class 3

Subject :IMO    Class : Class 6

Class : Class 6
30

## Ans 2:

Class : Class 5

Subject :IMO    Class : Class 5

## Ans 1:

Class : Class 7
pls explain this question

## Ans 2:

Class : Class 5
THE CORRECT ANSWER IS OPTION C

Class : Class 7
C

Class : Class 6

Class : Class 5
C for Correct

Class : Class 7

Class : Class 6
C

## Ans 8:

Class : Class 7

Subject :IMO    Class : Class 4

Subject :IMO    Class : Class 6

Class : Class 6

## Ans 2:

Class : Class 7

Subject :IMO    Class : Class 7

Class : Class 10

## Ans 2:

Class : Class 8

Subject :IMO    Class : Class 7

Class : Class 8
c is correct

Class : Class 8
c is correct

## Ans 3:

Class : Class 8
Here the given answer option D is wrong . The correct answer is option C.

Class : Class 10

Class : Class 7

Class : Class 9
c is correct

## Ans 7:

Class : Class 8
Answer is (C)Diameter of bigger circle=28 cmradius=28/2=14 cmArea of semicircle=1/2*22/7*14*14=4312/14=308 sq.cm2 semicircle=circleArea=22/7*7*7=1078/7=154 sq.cmArea left=308-154=154 cm

## Ans 8:

Class : Class 5
option third is right

Class : Class 4

Class : Class 8

Class : Class 8

## Ans 12:

Class : Class 8
c is correct308-154=154 you have done this308 154=462hence option c is correct

Class : Class 9
C is correct

Class : Class 8
C is correct

Class : Class 6

Class : Class 10

Class : Class 8
C for corecct

Class : Class 9

## Ans 19:

Class : Class 8
Yes , i agree ...Option c is the ans.

## Ans 20:

Class : Class 8
c is correct

Subject :IMO    Class : Class 8

## Ans 1:

Class : Class 9
âˆš3844=62 Hence the answer is c

Subject :IMO    Class : Class 7

## Ans 1:

Class : Class 7
let the price of object B be x the the price of object A is (6x-100) now ATP, 1(6x-100) + 4*x=1400 =>6x-100 + 4x=1400 =>10x -100=1400 =>10x=1500 =>x=1500/10 =>x=150 now the price of object A=150*6-100 =800(d)

Subject :IMO    Class : Class 10

## Ans 1:

Class : Class 10
Answer is 3abc cause'. Centroid in coordinate geometry is equal tO X1+X2+X3/2 , Y1+Y2+Y3/2 THEREFORE 0 EQUAL TO X CORDINATE ANT SO A+B+C EQUAL TO ZERO

Class : Class 10
D

## Ans 3:

Class : Class 10
D Because a+b+c=0 And, a3+b3+c3=3abc

## Ans 4:

Class : Class 7
IT IS D BECAUSE 3abc IS equal to A CUBE+B CUBE+C CUBE