Subject
Bank Exam
Topic
সমন্বিত ১০ ব্যাংক ও আর্থিক প্রতিষ্ঠান (সিনিয়র অফিসার) - ১০.১১.২০২৩
Bowl S contains only marbles. If (1/4) of the marbles were removed, the bowl would be filled to (1/2) of its capacity. If 100 marbles were added, the bowl would be full. How many marbles are in bowl S?
Bowl S contains only marbles. If (1/4) of the marbles were removed, the bowl would be filled to (1/2) of its capacity. If 100 marbles were added, the bowl would be full. How many marbles are in bowl S?
ক)
100খ)
200গ)
250ঘ)
300Explanation
Let there are x number of marbles and capacity of the bowl is y marbles 3x/4 = y/2 ⇒ y = 3x/2 x + 100 = y ⇒ x + 100 = 3x/2 ⇒ (3x/2) - x = 100 ⇒ x/2 = 100 ∴ x = 200Related questions
ব্যাকরণের আলোচ্য বিষয় -A, B, C, D and E are five consecutive numbers in increasing order of size. Deleting one of the five numbers from the set decreased the sum of the remaining numbers in the set by 20%. Which one of the following numbers was deleted?'চির' ও 'চীর' শব্দজোড়ের অর্থ যথাক্রমে -কোন দুটি শব্দ কেবল জন্তুর বহুবচনে ব্যবহৃত হয়?Square ABCD is inscribed in a circle whose radius is 4cm. Calculate the area of the square.নিচের কোনটি দেশী শব্দ?What is the difference between the amount of interest earned on a principal of Tk. 100 for 2 years at 10% simple interest rate and 10% compounding interest rate?লোকটি আমাকে সামনের আসনে বসতে অনুরোধ করলেন। বাক্যটির প্রত্যক্ষ উক্তি হল -