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Kabir Firaque

Puzzles Editor Kabir Firaque is the author of the weekly column Problematics. A journalist for three decades, he also writes about science and mathematics.

Articles by Kabir Firaque

Problematics | Ribbon colours

Representational Image
Editors Pick
Updated on Mar 09, 2026 09:30 pm IST

Problematics | Trains meeting trains

Representational image.(Unsplash )
Editors Pick
Updated on Mar 02, 2026 06:50 pm IST

Problematics | Small car vs big car

Problematics(Unsplash)
Editors Pick
Updated on Feb 23, 2026 06:31 pm IST

Problematics | Dice and oranges

Welcome to Problematics! (Shutterstock)
Editors Pick
Updated on Feb 16, 2026 04:09 pm IST

Problematics | Think of three numbers

Welcome to Problematics!(Shutterstock)
Editors Pick
Updated on Feb 09, 2026 03:16 pm IST

Problematics | Beating the odds

Welcome to Problematics!(Unsplash )
Editors Pick
Published on Feb 02, 2026 03:37 pm IST

Problematics | Tutor’s bill

Welcome to Problematics!
Editors Pick
Published on Jan 26, 2026 02:26 pm IST

Problematics | Einstein at a film festival

Welcome to Problematics! (Shutterstock)
Editors Pick
Updated on Jan 19, 2026 02:53 pm IST

Why the third stage in ISRO rockets is tricky

ISRO's PSLV-C62 carrying the EOS-N1 lifts off from the Satish Dhawan Space Centre in Sriharikota, Andhra Pradesh last Monday, (PTI)
India News
Updated on Jan 19, 2026 05:37 pm IST

Problematics | Dollars and paise

Welcome to Problematics! (Shutterstock)
Editors Pick
Updated on Jan 12, 2026 03:15 pm IST

Problematics | What is your phone number?

Representative Image(Pixabay)
Editors Pick
Published on Jan 05, 2026 04:18 pm IST

Across to bear: Behind the scenes at a cryptic crossword contest

(Shutterstock)
Art and Culture
Updated on Jan 05, 2026 12:21 pm IST

Problematics | How to place your railway seat

Welcome to Problematics! (Shutterstock)
Editors Pick
Published on Dec 29, 2025 02:23 pm IST

Problematics | Word-hunting Mastermind

Representational image.(Shutterstock)
Editors Pick
Updated on Dec 22, 2025 03:12 pm IST

Problematics | Word multipliers

Welcome to Problematics! (Shutterstock)
Editors Pick
Updated on Dec 15, 2025 02:22 pm IST

Problematics | Wedding wheels

Welcome to Problematics!(Shutterstock)
Editors Pick
Updated on Dec 08, 2025 12:09 pm IST

Problematics | Trainspotting

Representational image.(Shutterstock)
Editors Pick
Updated on Dec 01, 2025 02:29 pm IST

Problematics | A to Z of word hunting

Welcome to Problematics! (Shutterstock)
Editors Pick
Updated on Nov 24, 2025 06:54 pm IST

Problematics | How to lose 25 paise

The 25 paise coin is longer in circulation.(Shutterstock)
Editors Pick
Updated on Nov 17, 2025 01:23 pm IST

Problematics | Women batting, two by two

Representational image.(Unsplash )
Editors Pick
Published on Nov 10, 2025 01:35 pm IST

Problematics | Century openers

Representational image.(Shutterstock)
Editors Pick
Updated on Nov 03, 2025 02:42 pm IST

Problematics | Sightseers’ route map

Representational image.(Unsplash )
Editors Pick
Published on Oct 27, 2025 01:24 pm IST

Problematics | Pet food for Diwali

Welcome to Problematics! (Shutterstock)
Editors Pick
Updated on Oct 20, 2025 01:04 pm IST

Problematics | Murder mystery

HT Image
Editors Pick
Updated on Oct 13, 2025 08:38 am IST

Solids full of holes: Crux of a Nobel find

A screen displays the 2025 Nobel Prize laureates in Chemistry, Susumu Kitagawa (Kyoto University, Japan), Richard Robson (University of Melbourne, Australia), and Omar M. Yaghi (University of California, Berkeley, U.S.), as they are announced during a press conference at the Royal Swedish Academy of Sciences in Stockholm. (REUTERS)
India News
Published on Oct 09, 2025 05:06 am IST

How laureates showed quantum effects on a life-size scale

John Clarke, Michel H Devoret and John M Martinis are announced this year's Nobel Prize winners in Physics. (REUTERS)
India News
Published on Oct 08, 2025 04:10 am IST

How Nobel laureates uncovered the body’s immune watchdogs

The portraits of Mary E Brunkow, Fred Ramsdell and Shimon Sakaguchi displayed during a press conference where the winners of the 2025 Nobel Prize in Physiology or Medicine were announced at the Karolinska Institute in Stockholm, Sweden. (AFP)
India News
Updated on Oct 07, 2025 02:17 am IST

Problematics | Digital hunt

Representational image.(Shutterstock)
Editors Pick
Updated on Oct 06, 2025 08:42 am IST

Quantum advance paves way for ‘un-hackable’ digital future

Raman Research Institute (RRI) in Bengaluru(Raman Research Institute)
India News
Published on Oct 02, 2025 05:14 am IST

Problematics | How to halve a square

Representational image.(Unsplash )
Editors Pick
Published on Sept 29, 2025 01:23 pm IST
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