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प्रश्न
Five consecutive even integers are such that two times the second integer is ten more than the 5th integer. Find the sum of all five integers.
विकल्प
90
88
92
94
MCQ
उत्तर
90
Explanation:
Sum of all 5 integers
= n + (n + 2) + (n + 4) + (n + 6) + (n + 8) = 5n + 20
Also, we are given 2(n + 2) = (n + 8) + 10
⇒ 2n + 4 = n + 18 ⇒ n = 14,
Sum = 5(14) + 20 = 90
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Number System (Entrance Exam)
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