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Algebraic Condition

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

MathematicsIn an AP, the sum of the first 15 terms equals the sum of the first 21 terms, i.e., \(S_{15}=S_{21}\). If the first term is \(a\) and the common difference is \(d\), which of the following relation must be true?Class 10Arithmetic Progressions (AP)Finding the sum of the first $n$ terms of an APLevel 67Hard MathematicsIf (2u-3,3u+2,5u-1) are in an arithmetic progression, what is the value of (u)?Class 10Arithmetic Progressions (AP)Introduction to APs and common difference.Level 61Hard MathematicsIf (3v-4, 4v+1, 6v-1) are in an arithmetic progression, what is the value of (v)?Class 10Arithmetic Progressions (AP)Introduction to APs and common difference.Level 61Expert MathematicsIf (2x, x+9, 18) are in an arithmetic progression, what will be the value of (x)?Class 10Arithmetic Progressions (AP)Introduction to APs and common difference.Level 61Expert MathematicsWhich conclusion is correct for the sequence (13, 2x+1, 4x-5)?Class 10Arithmetic Progressions (AP)Introduction to APs and common difference.Level 62Medium MathematicsIf (2u−1, 3u+2, 5u+1) are in an arithmetic progression, what is the value of u?Class 10Arithmetic Progressions (AP)Introduction to APs and common difference.Level 62Medium MathematicsIf (2x, x+6, 18) are in an arithmetic progression, what is the value of (d)?Class 10Arithmetic Progressions (AP)Introduction to APs and common difference.Level 62Hard MathematicsIf (2a, 3a+1, 5a-1) are in an arithmetic progression, what will be the value of (a)?Class 10Arithmetic Progressions (AP)Introduction to APs and common difference.Level 62Hard