Start learning →

For positive terms, alternendo changes a:b=c:d into

Aa:d=c:b
Ba:d=b:c
Ca:b=d:c
Da:c=b:d
Answer & Solution
Correct answer: D. a:c=b:d
Dividing the equality ad=bc by cd gives the alternendo relation a/c=b/d.
Practise this question with Quill — ICSE Class 10 →

Keep practising Algebra: Equations, Inequations & Matrices

Browse all Algebra: Equations, Inequations & Matrices questions for ICSE Class 10, or explore more Mathematics topics.

Start a Algebra: Equations, Inequations & Matrices lesson →
Related questions
The smallest natural number that satisfies x > 4 isA linear inequation in one variable can be written asSolve x + 3 > 5, then x belongs toSolve (2 x - 5) / 3 >= 1 over integers.Solve -2 (x - 3) <= 4. Then x belongs toSolve 2 x + 5 > 11, then x belongs toSolve (x + 2)/3 - (x - 1)/2 <= 1. Then x belongs toThe largest integer x satisfying 3 x - 4 < 2 x + 5 is