Subject
Bank Exam
Topic
সমন্বিত ৯ ব্যাংক আর্থিক প্রতিষ্ঠান (সিনিয়র অফিসার)-২০.০১.২০২৩
The average monthly income of P and Q is Tk. 5050. the average monthly income of Q and R is Tk. 6250 and the average monthly income of P and R is tk. 5200. Calculate the monthly income of P.
The average monthly income of P and Q is Tk. 5050. the average monthly income of Q and R is Tk. 6250 and the average monthly income of P and R is tk. 5200. Calculate the monthly income of P.
ক)
Tk. 4000খ)
Tk. 6100গ)
Tk. 6400ঘ)
Tk. 16500Explanation
দেওয়া আছে, P + Q/ 2 = 5050 ⇒P + Q = 10100...........(i) আবার, Q+R/2 = 6250 ⇒Q+R = 12500...........(ii) এবং, P+R/2 = 5200 ⇒P+R = 10400 ...........(iii) (i)+(ii)+(iii)⇒ 2P+2Q+2R = 10100+12500+10400 ⇒2(P+Q+R) = 33000 ⇒ P+Q+R = 16500 .........(iv) ∴ (iv) - (ii) ⇒ P = 4000Related questions
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