alleryরেনু তার অর্ধেক নগদ খরচ করে, তারপর যা অবশিষ্ট থাকে তার এক তৃতীয়াংশ; ₹20 বাকি আছে। প্রাথমিক নগদ?
A₹50
B₹80
C₹60
D₹70
Answer & Solution
Correct answer: C. ₹60
চূড়ান্ত নগদ হল (1/2) × (2/3) = 1/3 প্রাথমিক পরিমাণের, তাই সে ₹60 দিয়ে শুরু করেছে।
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