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Question: A box contains 200 marbles, 25% of which are of black colour. Babu took some marbles from the box found that 30% of them are black. Of the remaining marbles, 10% were black marbles. How many marbles did Babu take?
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Question: A box contains 200 marbles, 25% of which are of black colour. Babu took some marbles from the box found that 30% of them are black. Of the remaining marbles, 10% were black marbles. How many marbles did Babu take?
Question 1: A box contains 200 marbles, 25% of which are of black colour. Babu took some marbles from the box found that 30% of them are black. Of the remaining marbles, 10% were black marbles. How many marbles did Babu take?
View topic: বিবিধ সমস্যা (Miscellaneous Problem)
120
125
150
None of these
Source: Bakhrabad Gas Co. Ltd - Asst. Manager (General) - 31.03.2017
Answer
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Answer: 150
Explanation:
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বয়স (Ages)
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ঐকিক নিয়ম (Unitary Method)
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Degrees of Comparison
প্রবাদ-প্রবচন
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