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അരുണിന്റെ വയസ്സ് അനുവിന്റെ വയസ്സിന്റെ 6 ഇരട്ടിയാണ്. 12 കൊല്ലം കഴിയുമ്പോൾ അരുണിന്റെ വയസ്സ് അനുവിന്റെ വയസ്സിന്റെ ഇരട്ടിയാകും. ഇപ്പോൾ അരുണിന്റെ വയസ്സെത്ര?

A3

B18

C24

D12

Answer:

B. 18

Read Explanation:

അരുണിന്റെ വയസ്സ് = A അനുവിന്റെ വയസ്സ് = B A=6B................(1) A+12=2(B+12) 6B+12=2B+24 4B=12 B=12/4 B=3 അരുണിന്റെ വയസ്സ് = 6B=6x3=18


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