International Maths Olympiad Forum By SOF Olympiad Trainer - Page 344
  1. Home
  2. /  Forum

User Forum

Ask Your Question
Shoham from LVIS, Gurgaon
Subject :IMO    Class : Class 5

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

The correct answer is option C. 


Post Your Answer

Garv Agarwal from Somerville School Noida, Noida
Subject :IMO    Class : Class 7

Ans 1:

Shubhadeep Santra from St Pauls Sr Secondary School, Jodhpur
Class : Class 10

Ans 2:

Aryan Keswani from Delhi Public School, Mathura Road, New Delhi
Class : Class 10

Ans 3:

Saptarshi Ghosh from dps, newtown, kolkata
Class : Class 8

Ans 4:

Sharanyaa Tripathi from Uttam school for girls, Ghaziabad
Class : Class 8

Post Your Answer

Garv Agarwal from Somerville School Noida, Noida
Subject :IMO    Class : Class 7

In a quiz, 40 prizes consisting of 1st and 2nd prizes only are to be given. 1st and 2nd prizes are worth ₹ 2500 and ₹ 1500, respectively. If the total prize money is ₹ 85,000, then
(i) the equation formed is
(ii) the number of 1st prizes are
(iii) the number of 2nd prizes are

-----------------(i) (ii) (iii)
A 2500x + 1500(40 – x) = 85000 25 15
B 2500x – 1500(40 – x) = 85000 36 4
C 2500x × 1500(x – 40) = 85000 20 20
D 2500x – 1500(x – 40) = 85000 15 25


explanation please

Ans 1:

Amish Gupta from Shiv nadar school, Faridabad
Class : Class 7

Ans 2:

Amrit Biswas from INDUSVALLEY PUBLIC SCHOOL, Noida
Class : Class 10
a

Ans 3:

Varad Shitole from The Lexicon School Hadapsar , Pune
Class : Class 7

Post Your Answer

Prateek Sethi from DAV PUBLIC SCHOOL NTPC TTPS THERMAL, THERMAL
Subject :IMO    Class : Class 3

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

(B)


Ans 2:

Saanvi from DPS INTERNATIONAL SCHOOL, Singapore
Class : Class 4

Ans 3:

Saanvi from DPS INTERNATIONAL SCHOOL, Singapore
Class : Class 4
Answer is Because of the square

Post Your Answer

Prateek Sethi from DAV PUBLIC SCHOOL NTPC TTPS THERMAL, THERMAL
Subject :IMO    Class : Class 3

Ans 1:

Amrit Anans from St Anthony, Gorakhpur
Class : Class 3
d

Ans 2:

Amrit Anans from St Anthony, Gorakhpur
Class : Class 3
D

Ans 3:

Siddharth Singh from Bal Bharti, Delhi
Class : Class 4
d

Post Your Answer

Prateek Sethi from DAV PUBLIC SCHOOL NTPC TTPS THERMAL, THERMAL
Subject :IMO    Class : Class 3

Ans 1:

Sarthak Shome from Harvest International, Bangalore
Class : Class 6
yes it is correct

Ans 2: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

(C)

Meaningful word which can be formed is GREAT which is 3 2 1 5 4


Ans 3:

Ishaan Krishna from GIG International school, Singapore
Class : Class 5

Post Your Answer

shubhavi Dhondge from NPS, Banagalore
Subject :IMO    Class : Class 4

Ans 1:

Srinwanti from Ekya, bangalore
Class : Class 8
240g

Post Your Answer

Shlok Pant from Global Indian International School, Singapore
Subject :IMO    Class : Class 5

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

(A): A line increases in every figure by 1  and the figure rotates 90 degree in anti-clockwise direction.


Post Your Answer

kanav Agarwal from Don Bosco school , Howrah
Subject :IMO    Class : Class 2

Post Your Answer

samyak from blue bells, delhi
Subject :IMO    Class : Class 9

In the given question, two rows of numbers are given. The resultant number in each row is to be worked out separately based on the following rules and the question below the rows is to be answered. The operations of numbers progress from left to right.
Rules :
(i) If an even number is followed by another even number they are to be added.
(ii) If an even number is followed by a prime number they are to be multiplied.
(iii) If an odd number is followed by an even number, the even number is to be subtracted from the odd number.
(iv) If an odd number is followed by another odd number, the first number is to be added to the square of the second number.
(v) If an even number is followed by a composite odd number, the even number is to be divided by the odd number.

What is the sum of the resultants of the rows?
(a) 366
(b) 66
(c) 264
(d) 462

Post Your Answer