International Maths Olympiad Forum By SOF Olympiad Trainer

User Forum

Subject :IMO    Class : Class 4

Sahil has a field in the shape of rectangle. The length of the field is twice its breadth. The breadth is 80 m. Find the perimeter of the field.

A 360 m
B 480 m
C 460 m
D 520 m


SOF I have a question I request you to answer it. Is it OK if I solved it like this? (160=L 160*2=320as breadth is 80 so 2 breadth is 160 So, 320 160=480)And that too if my answer is right? Key - * = Multiplication Sign I want Answer ASAP. Please as this question may come in IMO.

Ans 1:

Class : Class 4
THANK YOU SO MUCH MASTER ANSWER- ADMIN FROM Revisewise, Noida!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! But master answer are you in class 1? in your class it is written so. see Class : Class 1

Ans 2:

Class : Class 4

Ans 3: (Master Answer)

Class : Class 1

Option B is correct.

 


Ans 4:

Class : Class 4
yes

Ans 5:

Class : Class 6
Answer is B because :first we have to multiply 80 and 4 (80 X 4)= 240 (length) now multiply 80 and 2 ( 80 X 2 ) = 160 now add 240 and 160 ( 240 160 ) = 480 So the correct answer is option B ( 480 )

Ans 6:

Class : Class 4
Option B

Post Your Answer

Subject :IMO    Class : Class 1

Ans 1: (Master Answer)

Class : Class 1

The correct answer is option A.


Post Your Answer

Subject :IMO    Class : Class 5

Post Your Answer

Subject :IMO    Class : Class 1

Post Your Answer

Subject :IMO    Class : Class 4

Ans 1:

Class : Class 5
The correct answer is B.

Ans 2: (Master Answer)

Class : Class 1

(B):

 CCCXXIV + CCLXIX = 324 + 269 = 593
and DCCLII - CLVI = 752 - 156 = 596
So, 593  <  596


Post Your Answer

Subject :IMO    Class : Class 7

Ans 1:

Class : Class 7
HCF = the numbers * LCMBut the product is not given so we cannot determine the HCF.

Post Your Answer

Subject :IMO    Class : Class 7

Ans 1:

Class : Class 7
A

Post Your Answer

Subject :IMO    Class : Class 6

Ans 1:

Class : Class 7

Ans 2: (Master Answer)

Class : Class 1

The correct answer is option B. 


Ans 3:

Class : Class 6
B

Ans 4:

Class : Class 7
The correct answer is option B.you are right admin

Ans 5:

Class : Class 6
we also know

Post Your Answer

Subject :IMO    Class : Class 6

Ans 1: (Master Answer)

Class : Class 1

(D): 8 x 2 ÷ 4 + 5 = (8 x 2 ÷ 4) + 5
= 5 + (8 x 2 ÷ 4)
= 5 + 8 x 2 ÷ 4


Post Your Answer

Subject :IMO    Class : Class 3

Ans 1:

Class : Class 4
D D D

Ans 2:

Class : Class 4
A

Post Your Answer