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Odd Square

Class 10 Mathematics के इस tag से जुड़े questions। हर question के साथ chapter, topic, level और difficulty दी गई है।

MathematicsIf (n) is an odd integer, then (n^2) is odd. This fact is especially useful in which proof?Class 10Real NumbersProof of irrationality of √2, √3, √5Level 18ExpertMathematicsWhich option correctly explains the parity idea in the proof for (\sqrt{2})?Class 10Real NumbersProof of irrationality of √2, √3, √5Level 17ExpertMathematicsIf (n) is odd, then (n^2) is odd. In which proof is this fact used directly?Class 10Real NumbersProof of irrationality of √2, √3, √5Level 16ExpertMathematicsWhich statement is correct if (n) is an odd integer?Class 10Real NumbersProof of irrationality of √2, √3, √5Level 18HardMathematicsIf a number leaves remainder 1, 3, 5, or 7 when divided by 8, what is the remainder when its square is divided by 8?Class 10Real NumbersEuclid’s Division LemmaLevel 3HardMathematicsIf a number is of the form (4q+1), what is the remainder when its square is divided by 8?Class 10Real NumbersEuclid’s Division LemmaLevel 2HardMathematicsA number leaves remainder 1 or 3 when divided by 4. What will be the remainder when its square is divided by 4?Class 10Real NumbersEuclid’s Division LemmaLevel 1Hard