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P ന്റെയും Q ന്റെയും ഇപ്പോഴത്തെ വയസ്സുകള് തമ്മിലുള്ള അനുപാതം 6 ∶ 7 ആണ്. 12 വര്ഷങ്ങള്ക്ക് മുന്പ്, പ്രസ്തുത അനുപാതം 3 ∶ 4 ആയിരുന്നു. ഇപ്പോഴത്തെ അവരുടെ ആകെ വയസ്സുകളുടെ തുക കണ്ടെത്തുക.

A48 വയസ്സ്

B52 വയസ്സ്

C24 വയസ്സ്

D28 വയസ്സ്

Answer:

B. 52 വയസ്സ്

Read Explanation:

P ന്‍റെയും Q ന്‍റെയും വയസ്സുകള്‍ 6x , 7x (6x - 12) ∶ (7x - 12) = 3 ∶ 4 (6x - 12) × 4 = (7x - 12) × 3 24x - 48 = 21x - 36 24x - 21x = 48 - 36 3x = 12 x = 4 ഇപ്പോഴത്തെ വയസ്സുകളുടെ തുക = (6x + 7x) = (6 × 4 + 7 × 4) = 52 വയസ്സ്


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