जर 19, 57, 81 आणि y हे समानुपाती असतील, तर y ची किंमत काय असेल?

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  1. 252
  2. 248
  3. 249
  4. 243

Answer (Detailed Solution Below)

Option 4 : 243
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दिलेले आहे:

19, 57, 81 आणि y हे समानुपाती आहेत.

वापरलेले सूत्र:

जर चार संख्या a, b, c आणि d समानुपाती असतील, तर a/b = c/d.

गणना:

येथे, a = 19, b = 57, c = 81 आणि d = y.

सूत्रानुसार:

⇒ 19 / 57 = 81 / y

तिरकस गुणाकार करून:

⇒ 19y = 57 × 81

⇒ 19y = 4617

दोन्ही बाजूंना 19 ने भागून:

⇒ y = 4617 / 19

⇒ y = 243

पर्याय 4 योग्य आहे.

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