8, 21, 13, 31 के प्रत्येक पद में कौनसी संख्या जोड़ दी जाए
ताकि वे समानुपाती हो जाए-
(A)5 (B)6 (C)4 (D)7
Answers
Answered by
2
Answer:
(A)5
Step-by-step explanation:
8+x/21+x=13+x/31+x
248+39x+x^2=273+34x+x^2
39x-34x=273-248
5x=25
x=5
Answered by
9
Answer:
option b will be the answer please mark it as brainlist answer dear
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