International Maths Olympiad Forum By SOF Olympiad Trainer - Page 318
  1. Home
  2. /  Forum

User Forum

Ask Your Question
Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Subject :IMO    Class : Class 4

Post Your Answer

Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Subject :IMO    Class : Class 4

Ans 1:

dveep jain from mindful gurukul, Mumbai
Class : Class 4
Answer is a

Ans 2:

sripragnya from Delhi public school, Hyderabad
Class : Class 6

Ans 3:

sripragnya from Delhi public school, Hyderabad
Class : Class 6
yes it is a

Post Your Answer

Debarka Das Gupta from Silchar Don Bosco School, Silchar
Subject :IMO    Class : Class 7

Ans 1:

AISHA from K.V.No.-1,A.F.S.,SEC.-14, GURUGRAM
Class : Class 10
OPTION C IS WRONG.When a decimal number is to be divided by 10, 100 or 1000, the decimal number is shifted to the LEFT.

Ans 2:

Shrey Gujral from Vasant Valley School, Delhi
Class : Class 7
Option B is wrong too as 3/2 * 2 is more than 3/2

Ans 3:

SIDDHI SHREYASH from Phoenix Green International School , Hyderabad
Class : Class 8

Post Your Answer

Shaurya Agrawal from kothari international school, pune
Subject :IMO    Class : Class 4

Ans 1:

Daiwik Sunil from RAJAGIRI PUBLIC SCHOOL, Doha
Class : Class 8
Answer is C only. The question is : how much is more spent by Karthik. Karthik had spend 700 and Kritika had spend 200. Hence the answer is 700-200=500

Ans 2:

PT SOURIS PRAMOD from SANSKRITI, PUNE
Class : Class 6
Answer is Kartik and 700 as 6085 - 5385 = 700

Post Your Answer

from , Pithoragarh
Subject :IMO    Class : Class 7

Ans 1:

AISHA from K.V.No.-1,A.F.S.,SEC.-14, GURUGRAM
Class : Class 10
ISHIKA AGE=x GRANDMOTHER AGE=4x TOTAL=5x=100 5x=100 x=100/5 x=20

Ans 2:

JARUL PATRA from RYAN INTERNATIONAL SCHOOL KANDIVALI , MUMBAI
Class : Class 7
4x/100=25

Post Your Answer

Bhavya from K. R. Mangalam World School, Greater Noida
Subject :IMO    Class : Class 3

Post Your Answer

Shashi from DPS rudrapur, rudrapur
Subject :IMO    Class : Class 5

Post Your Answer

eknoor from Seth Anandram Jaipuria School, Ghaziabad
Subject :IMO    Class : Class 8

Which of the following steps is INCORRECT while constructing a rhombus ABCD, given that AC = 8 cm and BD = 6 cm?
Step 1 :Draw AC = 8 cm.
Step 2 :Draw PQ, the perpendicular of AC. PQ intersects AC at point O.
Step 3 :With O as centre and radius equal to 3 cm, drawn an arc cutting OP at D.
Step 4 :With O as centre and radius equal to 3 cm, draw another arc cutting OQ at B.
Step 5 :Join AB, BC, CD and DA.

A Step 2 only
B Step 3 only
C Step 4 only
D Both Step 2 and Step 5


how is step 2 wrong ?

Ans 1:

vishant mishra from Deens Academy, Bengaluru
Class : Class 1

Ans 2:

Joshua Sen from Montfort Senior Secondary School, Roorkee
Class : Class 9
but why dont u draw ac

Ans 3:

Sneh from The Shriram Millennium School, Noida
Class : Class 8
The correct answer is option A as step 2 states that a perpendicular is to be drawn , but a perpendicular bisector is to be drawn .

Post Your Answer

Sree Raga Sahithi Angara from Brahm prakash DAV School, Hyderabad
Subject :IMO    Class : Class 7

Ans 1:

siddarth from DPS Ecity, Bengaluru
Class : Class 8
in the solution figure D is shown but the website says option A is correct even though its absolutely wrong

Ans 2:

Akshara from NPS, Bengaluru
Class : Class 8
Answer definitely cannot be c or d. So , the only possible options are a and b .However , they are not visible . Kindly look into this matter.

Ans 3:

AISHA from K.V.No.-1,A.F.S.,SEC.-14, GURUGRAM
Class : Class 10
FIGURE IN OPTION A AND B IS NOT VISIBLE

Ans 4:

Sree Raga Sahithi Angara from Brahm prakash DAV School, Hyderabad
Class : Class 7

Ans 5:

Taanvi from , Bangalore
Class : Class 9
Exactly, the A and B figures are not visible.. they are so tiny

Post Your Answer

Velpuri Sesha Venkata Srinidhi from Genesis International School, Hyderabad
Subject :IMO    Class : Class 5

Ans 1:

Arav Goswami from DPS Bengaluru East , Bengaluru
Class : Class 5

Ans 2:

dveep jain from mindful gurukul, Mumbai
Class : Class 4
Answer is B)

Post Your Answer