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ഒരു സംഖ്യയുടെ 3 മടങ്ങും 7 മടങ്ങും തമ്മിലുള്ള വ്യത്യാസം 28 ആയാൽ സംഖ്യ എത്ര?

A5

B7

C9

D11

Answer:

B. 7

Read Explanation:

x ആണ് സംഖ്യ എങ്കിൽ 3 മടങ്ങ് = 3 x , 7 മടങ്ങ് = 7 x വ്യത്യാസം = 7x -3x = 4 x 4x = 28 x = 7


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