Subject
Bank Exam
Topic
Southeast Bank Ltd. - Trainee Officer - 2018
In a row of trees, a tree is 7thfrom the left and 14thfrom the right end. How many trees are there in the row ?
In a row of trees, a tree is 7thfrom the left and 14thfrom the right end. How many trees are there in the row ?
ক)
18খ)
19গ)
20ঘ)
21Explanation
Solution: প্রশ্নে বলা হচ্ছে যে, গাছের সারিতে একটি গাছকে বাম থেকে হিসেব করলে 7 th হয় আর ডান থেকে হিসেব করলে 14 th হয় । ঐ সারিতে মোট গাছের সংখ্যা কত ? 1, 2, 3, 4, 5, 6, 7 , 8, 9 7th , 10 14th , 11, 12, 13, 14, 15, 16, 17, 18, 19, 20 অতএব, মোট গাছের সংখ্যা 20 টি । Shortcut: মোট গাছের সংখ্যা = 7 + 14 - 1 = 20 টি ।Related questions
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