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

User Forum

Ask Your Question
Harini from vibgyor high, bangalore
Subject :IMO    Class : Class 4

Ans 1:

Harini from vibgyor high, bangalore
Class : Class 3

Ans 2:

Harini from vibgyor high, bangalore
Class : Class 3

Ans 3:

sandeep shinde from st mary champion school, indore
Class : Class 3

Ans 4:

Ankit Kumar Mistry from Kalyani Public School, Kolkata
Class : Class 5
The place of 8 and 4 in the number 78045 is 8000 and 40 respectively. 8000-40=7960So the answer is B

Post Your Answer

Gayatri Iyer from Sanskriti School, Pune
Subject :IMO    Class : Class 3

Ans 1:

Bhogavalli from Timpany , Visakhapatnam
Class : Class 3

Post Your Answer

Sarakshi Pani from JHTS, JAMSHEDPUR
Subject :IMO    Class : Class 1

Ans 1:

Sarakshi Pani from JHTS, JAMSHEDPUR
Class : Class 5
hi

Ans 2:

Harsh Kumar from Maharishi Vidya Mandir, Guwahati
Class : Class 8
Smallest odd number = 1 4 more than the smallest odd number is 5 ∴ First digit is 5 Factors of 2 are 1, 2 Factors of 11 are 1, 11 Common factor of 2 and 11 is 1 ∴ Second digit is 1 Product of first two digits = 1 × 5 = 5 ∴ Third digit is 5 Single digit multiple of 6 is 6 itself. ∴ Fifth digit is 6 Now, sum of fourth digit and fifth digit is 9. ∴ Fourth digit = 9 - 6 = 3 ∴ Required number = 51536

Post Your Answer

Advay Jain from DPS Noida, Noida
Subject :IMO    Class : Class 5

Post Your Answer

Advay Jain from DPS Noida, Noida
Subject :IMO    Class : Class 5

Post Your Answer

ranjani from sancta maria, Hyderabad
Subject :IMO    Class : Class 8

Ans 1:

rishu Raj from dav public school dhanupura ara , ara
Class : Class 8
answer c

Ans 2:

Arnab Jana from KTPP High School, KTPP
Class : Class 8
c

Ans 3:

Ansh Goel from DAV public school, Delhi
Class : Class 8
Answer is option c because rational no.s are associative under additional and multiplication only

Post Your Answer

samik from Sri Sri Ravishankar Vidya Mndir, Mumbai
Subject :IMO    Class : Class 7

Study the statements carefully.
(1) Every integer is a rational number and every fraction is a rational number.
(2) A rational number is positive, if p and q are either both positive or both negative.
(3) A rational number is negative, if one of p and q is positive and other is negative.
(4) If there are two rational numbers with common denominator, then the one with the larger numerator is larger than the other.Which of the following options hold?

ABoth (1) and (4) are incorrect
BBoth (2) and (3) are incorrect
COnly (1) is incorrect
DAll are correct


Post Your Answer

guru from dps, v
Subject :IMO    Class : Class 6

Post Your Answer

Pagadala Sri Pranya from Bharatiya Vidya Bhavans Public School Vidyashram, HYDERABAD
Subject :IMO    Class : Class 5

Ans 1:

S.tharuni from Sanskriti, Hyderabad
Class : Class 4
the correct answer is (c)

Ans 2:

Pagadala Sri Pranya from Bharatiya Vidya Bhavans Public School Vidyashram, HYDERABAD
Class : Class 5
AL=2,KJ=2,IH=2,GF=2,ED=2.SO,2 2 2 2 2=10.BC=10so10 10=20breadth=7x2=14so20 14=34how can option C be correct

Post Your Answer

Ashmi Narkar from Shishukunj International School , Indore
Subject :IMO    Class : Class 3

Ans 1:

Ashmi Narkar from Shishukunj International School , Indore
Class : Class 3

Ans 2:

Ashmi Narkar from Shishukunj International School , Indore
Class : Class 3
SolutionExcept (B) all the three are spherical balls.

Post Your Answer