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तमिलनाडु बोर्ड ऑफ सेकेंडरी एज्युकेशनएसएसएलसी (अंग्रेजी माध्यम) कक्षा ७

Find the two consecutive odd numbers whose sum is 200

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प्रश्न

Find the two consecutive odd numbers whose sum is 200

योग
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उत्तर

Let the two consecutive odd numbers be x and x + 2

∴ Their sum = 200

x + (x + 2) = 200

x + x + 2 = 200

2x + 2 = 200

2x + 2 – 2 = 200 – 2 ...[∵ Subtracting 2 from both sides]

2x = 198

`(2x)/2` = `198/2`  ...[Dividing both sides by 2]

x = 99

The numbers will be 99 and 99 + 2.

∴ The numbers will be 99 and 101.

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अध्याय 3: Algebra - Exercise 3.3 [पृष्ठ ६९]

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सामाचीर कलवी Mathematics - Term 1 [English] Class 7 TN Board
अध्याय 3 Algebra
Exercise 3.3 | Q 6 | पृष्ठ ६९
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