2026
India
INAO Problems and Solutions
India's national astronomy olympiad, run by HBCSE, from which the country's IOAA team is chosen. Here are the papers and solutions from 2009 to 2026, without 2013, 2021 and 2022; 2009 and 2010 had separate junior and senior papers.
2025
India
- 1Solar Telescopenot published
- 2Exoplanet Detectionnot published
- 3Venus Phasesnot published
- 4Star-Planet-Moon Systemnot published
- 5HR Diagramnot published
- 6Doppler Shiftsnot published
- 7Solar Sailnot published
- 8Light Isodelay Surfacenot published
- 9Telluric Phasesnot published
- 10Sun at Horizonnot published
- 11Spinning White Dwarfnot published
- 12Redshift of Sirius Bnot published
2024
India
2023
India
2020
India
2019
India
2018
India
2017
India
- 1Astronomical Phenomenanot published
- 2Shadow Geometrynot published
- 3Supernova Fluxnot published
- 4Bus Station Schedulenot published
- 5Alternate Refraction Lawsnot published
- 6Probability Problemsnot published
- 7Balloon Expansionnot published
2016
India
- 1Constellation Identificationnot published
- 2Neptune Methane Energynot published
- 3Math Patternsnot published
- 4Boat River Signboardnot published
- 5Triple Lens Systemnot published
- 6Meter Stick Shadownot published
- 7Doppler Whistle Rotationnot published
- 8Ball Container Acousticsnot published
- 9Stellar Magnitude Devicenot published
2015
India
- 1Wheat Food Staplenot published
- 2Object Categoriesnot published
- 3Satellite Orbital Periodsnot published
- 4True/False Statementsnot published
- 5Ants Shortest Pathnot published
- 6Light Ray Mirrorsnot published
- 7Proton Beam Magneticnot published
- 8Geostationary Satellitesnot published
- 9Exoplanet Cataloguenot published
2014
India
2012
India
2011
India
2010
India
2009
India
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