Which number should be added to each of 2, 7, 10, 25 to make them proportional? 2, 7, 10, 25 में कौन सी संख्या जोड़ें ताकि वे समानुपाती हों?
Which number should be added to each of 2, 7, 10, 25 to make them proportional? 2, 7, 10, 25 में कौन सी संख्या जोड़ें ताकि वे समानुपाती हों?
Answer choices
Explanation
Add x: (2+x)(25+x) = (7+x)(10+x). Solving: 10x=20, x=2. Check: 4/9 = 12/27 ✓
Subject: Maths