International Maths Olympiad Forum By SOF Olympiad Trainer - Page 223
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Siddiqua Modi from gems modern academy, udaipur
Subject :IMO    Class : Class 2

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Ibrahim Ahmad from Apeejay School Saket, New Delhi
Subject :IMO    Class : Class 7

Given below a question followed by three statements. You have to study the question and the statements and decide which of the statement(s) is/are necessary to answer the question.
What is the principal sum?
I. The sum amounts to Rs 690 in 3 years at S.I.
II. The sum amounts to Rs 1150 in 5 years at S.I.
III. The rate of interest is 5% p.a.

AI and III only
BII and III only
CI and II only
DAny two of the three


I think it is not the D part as it does'nt make any sense

Ans 1:

Amrik Pal from Kendriya Vidyalaya DRDO, Bangalore
Class : Class 6
right

Ans 2:

Ibrahim Ahmad from Apeejay School Saket, New Delhi
Class : Class 6
I think part D does not make any sense

Ans 3:

Keshav from Step by step school sawai madhupur, Sawai madhopur
Class : Class 7
i did not remember amswer

Ans 4:

SOUVAGYA SAHA from De Nobili School, DHANBAD
Class : Class 9

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Can I get Rank 35 darryl from Global Indian international school, Brawl stars
Subject :IMO    Class : Class 7

Ans 1:

Paarth Vashistha from Kunskapsskolan Gurgaon , Gurgaon
Class : Class 8

Ans 2:

Sujal Gaglani from Vidya Vikasini School ICSE, Vasai
Class : Class 8

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Vedant Malhotra from Delhi Public school, Bangalore
Subject :IMO    Class : Class 7

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Sarbari Pal from DPS FARIDABAD, Faridabad
Subject :IMO    Class : Class 9

Ans 1:

Abhay yadav from Blossom Senior Secondary School, Gorakhpur
Class : Class 10
A

Ans 2:

sauradeep from j v m Shyamali , ranchi
Class : Class 9

Ans 3:

Arnav Ranka from Gyan Bharati School, Saket, New Delhi
Class : Class 9

Ans 4:

Aakarsh mishra from Oakridge International School, Hyerabad
Class : Class 9

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Vaastav Mishra from BMPS Taxsila, Bhubaneswar
Subject :IMO    Class : Class 9

Ans 1:

KETAKI SUBHASH GHATOL 2 from CSA Satara, Satara
Class : Class 10

Ans 2:

Abyudit SV from SOI, Bangalore
Class : Class 7

Ans 3:

Satyam Jha from , Muzaffarpur
Class : Class 9
koi solution dedo bhais ki....

Ans 4:

Diptansu Biswal from kv ins chilka, balugaon
Class : Class 9
Answer

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Rajarshee Mitter from Adamas International School, Kolkata
Subject :IMO    Class : Class 8

Ans 1:

Athulya Sunil Menon from DPS MIS Doha, Mumbai
Class : Class 9

Ans 2:

Aham from vibgyor high, Bangalore
Class : Class 8

Ans 3:

Ojas Purankar from Blue Ridge Public school, Pune
Class : Class 8

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student from school, city
Subject :IMO    Class : Class 8

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student from school, city
Subject :IMO    Class : Class 8

Two rows of number 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 of numbers is to be answered. The operations of numbers progress from left to right.
Rules :
(i) If a two-digit even number is followed by another even number, the first one is to be divided by the second one.
(ii) If an even number is followed by a prime number, the two are to be multiplied.
(iii) If an odd number is followed by another odd number, the two are to be added.
(iv) If a three-digit number is followed by a two-digit number which is a perfect square, the second number is to be subtracted from the first number.
(v) If a three-digit number is followed by a two-digit number which is not a perfect square, the first number is to be divided by the second number.
84 14 13
360 24 17
What is the difference between the resultants of the first row and the second row?

A 100
B 46
C 56
D 90


Ans 1:

martin b george from kv pattom, trivandrum
Class : Class 10
Nic e

Ans 2:

Mousumi chakraborty from Pranavananda Vidyamandir, Durgapur
Class : Class 8
Please give full solution

Ans 3:

Pranav from NPS Rajaginagar, Bangalore
Class : Class 8

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Shourya Kumar from Delhi Public School Noida, Noida
Subject :IMO    Class : Class 7

Ans 1:

sankalp from Gyan Bharti School, Saket, Delhi
Class : Class 9

Ans 2:

Vaibhabi Debbarma from HOLY CROSS SCHOOL AGARTALA, AGARTALA
Class : Class 6

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