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Subject :IMO    Class : Class 9

Ans 1:

Class : Class 9
((a+b)^2-(a-b)^2)/ab=4

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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 :
FIRST MAKE THAT SIMILAR 4 TRAINGLES INSIDE A RECTANGLE WHOSE TOTAL AREA IS 28 CM SQUARE NOW WE ARE LEFT WITH FOUR EQUALITERAL TRAINGLES ARE OF WHOSE ONE IS 1/2*L/2*B/2=LB/8 FOR FOUR TRAINGLES TOTAL AREA =4*LB/8=LB/2 NOW LB=LB/2+28 LB/2=28 LB=56 CM SQAURE

Ans 2:

Class : Class 9
how is the answer worked out?

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Subject :IMO    Class : Class 6

Ans 1:

Class : Class 6
C.) 75

Ans 2:

Class : Class 6

Ans 3:

Class : Class 6

Ans 4:

Class : Class 6
plz explain

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Subject :IMO    Class : Class 3

Ans 1:

Class : Class 6
Correct answer is C. Please update the answers.

Ans 2:

Class : Class 1
c

Ans 3:

Class : Class 6
Correct ans is c. But it is shown as wrong . Please correct

Ans 4:

Class : Class 6
Please correct.Right ans is c.l

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Subject :IMO    Class : Class 3

Ans 1:

Class : Class 3
the answer is incorrect. It should be 12-11 = 1

Ans 2:

Class : Class 4
12-11=1, so the answer should be D.

Ans 3:

Class : Class 4
Ans. is 12-11=1

Ans 4:

Class : Class 4

Ans 5:

Class : Class 4

Ans 6:

Class : Class 4
ANS. WRONG STRAIGHT LINES-12 TRIANGLES-11 12-11=1

Ans 7:

Class : Class 5
the answer is b 2

Ans 8:

Class : Class 4
answer is wrong

Ans 9:

Class : Class 1
answer is 12-11=1

Ans 10:

Class : Class 2
Yes, 12-11=1The answer given is wrong

Ans 11:

Class : Class 4
Yes number of straight line is 12 and number of triangle is 11 so 12-11=1

Ans 12:

Class : Class 6
the answer is incorrect 12-11=1

Ans 13:

Class : Class 5
yes it is 12 - 11 solution is wrong

Ans 14:

Class : Class 4
solution is wrong

Ans 15:

Class : Class 3
Answer should be D.

Ans 16:

Class : Class 2

Ans 17:

Class : Class 2
Solution is wrong

Ans 18:

Class : Class 4
yes 12-11 = 1 is the solution

Ans 19:

Class : Class 4

Ans 20:

Class : Class 1
yes, it should be 12-11 = 1

Ans 21:

Class : Class 5

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 10
Number of Rs. 10 Notes only: 260/10 = 26 Number of Rs. 5 Notes only: 260/10 = 52 Therefore Rs. 5 notes more than Rs. 10, 52-26=26 Option (B)

Ans 2:

Class : Class 6
AFTER THE SOLUTION I FOUND IT VERY EASY

Ans 3:

Class : Class 5

Ans 4:

Class : Class 6

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Subject :IMO    Class : Class 4

Ans 1: (Master Answer)

Class : Class 1
The correct answer is D.

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 7
answer is 11/20 as if unshaded is less than 1/2 we take it as 1/2 if it is more than 1/2 then we take it as 1 but if it is 1/2 we take it as 1/2 now count all of unshaded boxes you will get the answer

Ans 2:

Class : Class 5

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Subject :IMO    Class : Class 8

Ans 1:

Class : Class 8
Relative velocity of two trains is 384km/hr=320/3 m/sec. Therefore,it can travel 1600m in 15 sec. Therefore, the length of the second train is (1600-600)m=1000m

Ans 2:

Class : Class 8
1000m

Ans 3:

Class : Class 8
Add up the speeds and multiply with time as trains are in opposite directions.Then subtract the length of the first train. Ans -1000m

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