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सी.आई.एस.सी.ई.आईसीएसई ICSE Class 7

The Sum of Three Consecutive Even Numbers is 54. Find the Numbers. - Mathematics

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प्रश्न

The sum of three consecutive even numbers is 54. Find the numbers.

योग
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उत्तर

Let the first even number = x

second even number = x + 2

and third even number = x + 4

According to the condition,

x + x + 2 + x + 4 = 54

⇒ 3x + 6 = 54

⇒ 3x = 54 – 6

⇒ x = `48/3 = 16`

∴ First even number = 16

Second even number = 16 + 2 = 18

and third even number = 16 + 4 = 20

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अध्याय 12: Simple Linear Equations (Including Word Problems) - Exercise 12 (D)

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सेलिना Concise Mathematics [English] Class 7 ICSE
अध्याय 12 Simple Linear Equations (Including Word Problems)
Exercise 12 (D) | Q 10
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