If 10 person shake their hands with each… | Answer

Subject

Bank Exam

Topic

Bangladesh Bank AD 2015

If 10 person shake their hands with each other, then total number of handshakes are
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ক)

100

খ)

গ)

ঘ)

Explanation

The pattern they should see is that if there are n people in the group, then the number of handshakes is 1 + 2 + 3 + 4 + 5 +... + (n-1). 1 + 2 + 3 + 4 + 5 +... + (n-1) = n(n-1)/2.

The planet having no moon is তুমি না বলেছিলে আগামীকাল আসবে? - এখানে 'না' এর ব্যবহার কি অর্থে?পাবক নিচের কোন শব্দের প্রতিশব্দ?The ‘Roof of the world' is .'মৃন্ময়ী' রবীন্দ্রনাথ ঠাকুরের কোন ছোট গল্পের নায়িকা?Antonym: Craven Antonym: Ulterior Antonym: Euphonious

If 10 person shake their hands with each other, then total number of handshakes areReading

If 10 person shake their hands with each other, then total number of handshakes are

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If 10 person shake their hands with each other, then total number of handshakes are
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