यदि 7 : x = 17.5 : 22.5 हो, तो x का मान ज्ञात कीजिए।
A9 ✓ Correct
B12
C15
D8
Correct answer: (A) 9
Explanation
x का मान 9 है।
7 : x = 17.5 : 22.5 का अर्थ 7 / x = 17.5 / 22.5।
तिर्यक गुणा: x * 17.5 = 7 * 22.5।
x = 7 * 22.5 / 17.5 = 157.5 / 17.5।
x = 9।
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