# VM competitions questions and solutions

Here are our previous posts about the solutions of frequently missed Vedic Math competition questions:

Lower Primary, IVMO 2023, **Largest Fraction:** https://www.math-inic.com/blog/largest-fraction/

Upper Primary, IVMO 2023, **Computing Savings**: https://www.math-inic.com/blog/computing-savings/

Upper Primary, IVMO 2023, **Linear Sequence**: https://www.math-inic.com/blog/sequences-i/

Primary, IVMO 2022, **Subtraction by Addition**: https://www.math-inic.com/blog/subtraction-by-addition-in-time-computations/

Primary, IVMO 2021,**Linear Sequence**: https://www.math-inic.com/blog/sequence-ii/

Primary, 3^{rd} MVMNC, **Terminating decimals**: https://www.math-inic.com/blog/terminating-decimals/

Primary, 3^{rd} MVMNC, **Remainder when the difference is divided by 9**: https://www.math-inic.com/blog/remainder-when-the-difference-is-divided-by-9/

Primary, 2^{nd} MVMNC, **The difference of the Sums is the Sum of the Difference**: https://www.math-inic.com/blog/the-difference-of-the-sums-is-the-sum-of-the-difference/

Primary, IVMO 2021, **Square root of perfect squares ending in 25**: https://www.math-inic.com/blog/square-root-of-perfect-squares-ending-in-25/

Juniors, IVMO 2023, **Percentages Made Easy**: https://www.math-inic.com/blog/percentages-made-easy/

Juniors, 3^{rd} MVMNC, **Divisibility by 7**: https://www.math-inic.com/blog/divisibility-by-7-2/

Juniors, 3^{rd} MVMNC, **Application of “doubling and halving” and “by addition and by subtraction”**: https://www.math-inic.com/blog/application-of-doubling-and-halving-and-by-addition-and-by-subtraction/

Juniors, 3^{rd} MVMNC, **Divisibility by number splitting**: https://www.math-inic.com/blog/divisibility-test-by-number-splitting/

Juniors, 1^{st} Math2Shine IVMC,** Average age**: https://www.math-inic.com/blog/average-age/

Juniors, 1^{st} Math2Shine IVMC, **The First by the First and the Last by the Last**: https://www.math-inic.com/blog/the-first-by-the-first-and-the-last-by-the-last/

Juniors, IVMO 2021, **By Mere Observation II**: https://www.math-inic.com/blog/by-mere-observation-ii/

Intermediate, IVMO 2023, **Quadratic Sequence**: https://www.math-inic.com/blog/sequences-iii/

Intermediate, IVMO 2023, **Quadratic Sequence**: https://www.math-inic.com/blog/sequences-iv/

Intermediate, 4^{th} PNVMO, **Algebraic Division**: https://www.math-inic.com/blog/algebraic-division/

Intermediate, 4^{th} PNVMO, **Multiplication of Mixed Numbers**: https://www.math-inic.com/blog/multiplication-of-mixed-numbers/

Intermediate, 4^{th} PNVMO, **Coefficients of a perfect square**: https://www.math-inic.com/blog/coefficients-of-a-perfect-square/

Intermediate, 3^{rd} MVMNC, **Coefficient of the X^2 term**: https://www.math-inic.com/blog/coefficient-of-the-x2-term/

Intermediate, 3^{rd} MVMNC, **Computing the Average speed**: https://www.math-inic.com/blog/computing-the-average-speed/

Intermediate, 1^{st} Math2Shine IVMC, **Getting the least common multiple**: https://www.math-inic.com/blog/getting-the-least-common-multiple/

Intermediate, 1^{st} Math2Shine IVMC, **The Last digits add up to 10**: https://www.math-inic.com/blog/the-final-digits-add-up-to-10/

Intermediate, 3^{rd} MVMNC, **Finding the unknown digits**: https://www.math-inic.com/blog/finding-the-unknown-digits/

Intermediate 2^{nd} PNVMO, **Square root of Perfect squares**: https://www.math-inic.com/blog/square-root-of-perfect-squares/

Seniors, IVMO 2022,**Expressing a number as a difference of two square integers**: https://www.math-inic.com/blog/expressing-a-number-as-a-difference-of-two-square-integers/

Seniors, 3^{rd} MVMNC, **Division by (x + 1)**: https://www.math-inic.com/blog/division-by-x-1-part-ii/

Seniors, 3^{rd} MVMNC, **Multiplication by (x + 1)**: https://www.math-inic.com/blog/multiplying-by-x-1/

Seniors. 2^{nd} MVMNC, **Nikhilam Multiplication**: https://www.math-inic.com/blog/nikhilam-or-base-multiplication-3/

Open, IVMO 2023, **Area in square feet and square inches**: https://www.math-inic.com/blog/area-in-feet-squared-and-inches-squared/

Open 4^{th} PNVMO, **Combined ratios**: https://www.math-inic.com/blog/combined-ratios/