InPhO Problems and Solutions

2025

India

Problem 1

Problem Solution

Problem 2

Problem Solution

Problem 3

Problem Solution

Problem 4

Problem Solution

Problem 5

Problem Solution

2024

India

Problem 1

Problem Solution

Problem 2

Problem Solution

Problem 3

Problem Solution

Problem 4

Problem Solution

Problem 5

Problem Solution

Problem 6

Problem Solution

2023

India

Problem 1

Problem Solution

Problem 2

Problem Solution

Problem 3

Problem Solution

Problem 4

Problem Solution

Problem 5

Problem Solution

2022

India

Problem 1

Problem Solution

Problem 2

Problem Solution

Problem 3

Problem Solution

Problem 4

Problem Solution

Problem 5

Problem Solution

2021

India

Problem 1

Problem Solution

Problem 2

Problem Solution

Problem 3

Problem Solution

Problem 4

Problem Solution

Problem 5

Problem Solution

2020

India

Problem 1

Problem Solution

Problem 2

Problem Solution

Problem 3

Problem Solution

Problem 4

Problem Solution

Problem 5

Problem Solution

2019

India

Problem 1

Problem Solution

Problem 2

Problem Solution

Problem 3

Problem Solution

Problem 4

Problem Solution

Problem 5

Problem Solution

Problem 6

Problem Solution

Problem 7

Problem Solution

2018

India

Problem 1

Problem Solution

Problem 2

Problem Solution

Problem 3

Problem Solution

Problem 4

Problem Solution

Problem 5

Problem Solution

Problem 6

Problem Solution

Problem 7

Problem Solution

2017

India

Problem 1

Problem Solution

Problem 2

Problem Solution

Problem 3

Problem Solution

Problem 4

Problem Solution

Problem 5

Problem Solution

Problem 6

Problem Solution

2016

India

Problem 1

Problem Solution

Problem 2

Problem Solution

Problem 3

Problem Solution

Problem 4

Problem Solution

Problem 5

Problem Solution

Problem 6

Problem Solution

2015

India

Problem 1

Problem Solution

Problem 2

Problem Solution

Problem 3

Problem Solution

Problem 4

Problem Solution

Problem 5

Problem Solution

Problem 6

Problem Solution

2014

India

Problem 1

Problem Solution

Problem 2

Problem Solution

Problem 3

Problem Solution

Problem 4

Problem Solution

Problem 5

Problem Solution

Problem 6

Problem Solution

Problem 7

Problem Solution

Problem 8

Problem Solution

2013

India

Problem 1

Problem Solution

Problem 2

Problem Solution

Problem 3

Problem Solution

Problem 4

Problem Solution

Problem 5

Problem Solution

Problem 6

Problem Solution

Problem 7

Problem Solution

2012

India

Problem 1

Problem Solution

Problem 2

Problem Solution

Problem 3

Problem Solution

Problem 4

Problem Solution

Problem 5

Problem Solution

2011

India

Problem 1

Problem 2

Problem 3

Problem 4

Problem 5

Problem 6

Problem 7

2010

India

Problem 1

Problem Solution

Problem 2

Problem Solution

Problem 3

Problem Solution

Problem 4

Problem Solution

Problem 5

Problem Solution

2009

India

Problem 1

Problem Solution

2008

India

Problem 1

Problem 2

Problem 3

Problem 4

Problem 5

Problem 6

Problem 7