boo9X - Tikeswar Naik

Math Kangaroo Grades 3-4 (Full Solutions 2011)

Математический кенгуру для 1–2 классов (полные решения 2011 г.)

[ Math Tricks Part 2 ] Multiply two numbers close to 100 | Mental Math | Like a human calculator :)

[ Concept ] Why does angle have unit? | Small angle approximations | Solid angle | NEET & JEE

[ In-depth | Fluids ] The water tank problem NEET 2025 | A quick hack | 8 different methods

[ Math Tricks Part 1 ] Multiplication & Square | Mental Math | Like a human calculator :)

boo9 update Apr 1, 2025 | Math Kangaroo Practice & Resources

[ Math Kangaroo ] A Multiplication Magic Square Problem

Math Kangaroo Grades 5-6 (Full Solutions 2023)

[ Concept ] How to draw reflections? | Math Kangaroo | Math Olympiad

Math Kangaroo Grades 3-4 (Full Solutions 2023)

Math Kangaroo Grades 1-2 (Full Solutions 2023)

[ Concept | Physics ] Base PQs are independent & complete - what does this mean? | NEET & JEE

[ In-depth | Mechanics ] Krotov 1.5: Two bodies move in a straight line ... | NEET & JEE

[ Explainer: Krotov 1.5 ] Two bodies move in a straight line ...

P1.C00: What is Physics? | NEET & JEE

[ Explainer | Optics ] Total Internal Reflection & Fiber Optics

[ Explainer | Optics ] Refraction, Rainbow, & Sparkle in Diamond

P1.C00: Two Important Messages for NEET and JEE Aspirants

[ Physics Experiment ] Which one will fall first? | First-order analysis | Gravity-Drag-Buoyancy

Math Kangaroo Grades 11-12 (Full Solutions 2021)

Math Kangaroo Grades 9-10 (Full Solutions 2021)

Math Kangaroo Grades 7-8 (Full Solutions 2021)

Math Kangaroo Grades 5-6 (Full Solutions 2021)

Math Kangaroo Grades 3-4 (Full Solutions 2021)

Math Kangaroo Grades 1-2 (Full Solutions 2021)

AMC8 y1990 q04: Which of the following could not be the unit's digit [one's digit] of the square ...