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രാജൻ്റേയും അയാളുടെ അച്ഛൻ്റേയും വയസ്സുകൾ യഥാക്രമം 22 ഉം 50 ഉം ആണ്. എത്ര വർഷം കഴിയുമ്പോൾ രാജൻ്റെ അച്ഛൻ്റെ വയസ്സ് അയാളുടെ വയസ്സിൻ്റെ ഇരട്ടിയാകും ?

A6

B4

C7

D2

Answer:

A. 6

Read Explanation:

x വർഷം കഴിഞ്ഞാൽ രാജൻ്റെ അച്ഛൻ്റെ വയസ്സ് അയാളുടെ വയസ്സിൻ്റെ ഇരട്ടിയാകും എന്ന് എടുത്താൽ 50 + x = 2(22+x) 50 + x = 44 + 2x x = 6 വർഷം


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