livemcq৩টি পরীক্ষায় এসেছেপ্রশ্ন ৫৬The total age of A and B is 12 years more than the total age of B and C. C is how many years younger than A?কক) 12 yearsখখ) 13 yearsগগ) 14 yearsঘঘ) 15 yearsউত্তর দেখুন