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

User Forum

Ask Your Question
Spongii from NPS , Bangalore
Subject :IMO    Class : Class 5

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

(B): 42250 - 31125 = 11,125
Rounding off to the nearest thousand = 11000
 


Post Your Answer

SAJAL SAROJ LAHKAR from SHRIMANTA SHANKAR ACADEMY, GUWAHATI
Subject :IMO    Class : Class 6

Post Your Answer

Avni Bagla from Nps, Bangalore
Subject :IMO    Class : Class 3

Post Your Answer

Shaik Aafreen from Sherwood High, Bangalore
Subject :IMO    Class : Class 5

Post Your Answer

Tanishka Tripathi from Bal Bharti Public School, Khargone
Subject :IMO    Class : Class 3

Ans 1:

Moksh from NPS, Singapore
Class : Class 1

Ans 2:

Kushagra Sah from Bahrain Indian School, Manama Bahrain
Class : Class 3
Incorrect.It should be Friday Or Monday.How could it be Sunday?

Ans 3:

MANIT from Lotus valley, Gurgaon
Class : Class 3

Ans 4:

MANIT from Lotus valley, Gurgaon
Class : Class 3
sunday is completely wrong .SOF is getting it things wrong many times

Ans 5:

Kushagra Sah from Bahrain Indian School, Manama Bahrain
Class : Class 3

Ans 6:

Arohan from VSV, Kolkata
Class : Class 3
This is incorrect. The correct answer should be Monday. The first day from 20th Sep is the 21st of Sep and not the 20th of Sep. Hence, the 7th day should be a Mon and so will all multiples of 7 starting the 20th of Sep.

Ans 7:

MANIT from Lotus valley, Gurgaon
Class : Class 3
the answer should be monday or tuesday but,they have not given the correct answer or tuesday. SOF has been wrong many times.

Ans 8:

Moksh from NPS, Singapore
Class : Class 1
Incorrect. The first day "FROM" 20 Sep is 21 Sep. Correct answer should be Monday.

Ans 9:

Kushagra Sah from Bahrain Indian School, Manama Bahrain
Class : Class 3
Incorrect

Ans 10: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

(B):  1st day = 20th sep = Monday
8th day = 27th sep = Monday
15th day = 4th oct = Monday
22nd day = 11th oct = Monday
29th day = 18th oct = Monday
35th day = 24th oct = Sunday


Post Your Answer

Saumya Namdeo from Jai Bharat English Medium School, Janjgir
Subject :IMO    Class : Class 4

Ans 1:

Shreeraj from ISWK, Muscat, Muscat
Class : Class 4
Option B 180

Ans 2:

Siddhi Kher from NHSS Thane, THANE
Class : Class 4
answer is B

Ans 3:

Bhanu teja and Hitesh Chandra from Delhi Public school, electronic city phrase1, Bangalore
Class : Class 6
Why’s the answer is D

Ans 4:

Khanak Jha from Prime Academy, Mumbai
Class : Class 4
The correct answer is B 180

Ans 5:

GAIRIK GHOSH from ST. AUGUSTINE'S DAY SCHOOL, BARRACKPORE, AGARPARA
Class : Class 5
The answer for this question is 'B'

Ans 6:

Oscar Maltman from eism, dubai
Class : Class 5

Ans 7:

dhanyashree from BVM Global, Chennai
Class : Class 4
B

Ans 8:

Bhanu teja and Hitesh Chandra from Delhi Public school, electronic city phrase1, Bangalore
Class : Class 6

Ans 9:

Shreeya Mangla from ASN International School, New Delhi
Class : Class 4
The correct answer is B

Ans 10:

Bhanu teja and Hitesh Chandra from Delhi Public school, electronic city phrase1, Bangalore
Class : Class 6

Post Your Answer

Senaraj Chintagumpala from Delhi Public School East, Bangalore
Subject :IMO    Class : Class 3

Ans 1:

Kanishk bhati from G D goenka school gzb, ghaziabad
Class : Class 3
its very riddely

Ans 2:

Advik Singh from GIIS, GHAZIABAD
Class : Class 3

Ans 3: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

(D): Cost of 500 gm of peaches = ₹ 8
Cost of 250 gm of peaches = ₹ 4
Cost of 750 gm (i.e. 250 gm + 500 gm) of peaches = ₹ 8 + ₹ 4 = ₹ 12


Ans 4:

Anagha from DAV, MUMBAI
Class : Class 3

Ans 5:

Krisha from gurukul, pune
Class : Class 2
This is a Good question for kids

Ans 6:

Anagha from DAV, MUMBAI
Class : Class 3
D) Cost of 500 gm of peaches= Rs.8 Cost of 250 gm = Rs. 4 so 250 gm 500 gms = 750 gms = Rs.8 Rs.4 = Rs. 12

Post Your Answer

Aadhya Dhiman from Mount Carmel School, Nangal
Subject :IMO    Class : Class 2

Post Your Answer

Shourya Mundra from Lotus Valley International School NOIDA, Ghaziabad
Subject :IMO    Class : Class 7

Ans 1:

Gauri Singh from St Johns School Marhauli, Varanasi
Class : Class 8
No, the answer is B, as the admin says.. Because whatever the number might be, it will surely be negative.. example: 50/-23 is negative anyhow

Ans 2: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

(B): A. Multiplication of two integers with unlike signs is always  negative.
B. When a positive integer is divided by a negative integer, the quotient obtained is a negative integer.
C. Product of odd number of negative integers is negative . 
 


Ans 3:

dhakshith from Vidhyaniketan, Coimbatore
Class : Class 8
Option is wrong\Answer is (D)

Post Your Answer

Anirudh Bhattacharjee from THE LEXICON INTERNATIONAL SCHOOL KALYANI NAGAR PUNR, Pune
Subject :IMO    Class : Class 4

Ans 1:

AARAV AGRAWAL from BIRLA DIVYA JYOTI, SILIGURI
Class : Class 5
(A) because the best estimate of 795 is 800.

Ans 2:

dveep jain from mindful gurukul, Mumbai
Class : Class 4
(A): The best estimate of 795 is 800 .

Ans 3:

Yadnya Thakare from Ryan International, Pune
Class : Class 5
A is the answer

Ans 4: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

(A): The best estimate of 795 is  800 . 


Post Your Answer