BOILER Exam Question Solution 2021

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Office of The Chief Inspector of Boilers is a Government organization in Bangladesh. The boiler has published Exam Question Solution 2021. See detail of the Office of The Chief Inspector of Boilers MCQ & Written Exam Question Solution 2021 below.

Office of The Chief Inspector of Boilers Exam Question Solution 2021:

Post Name And Vacancy:

1. Driver-02

2. Office Sohayok-21

Total vacancy: 23

Exam Date: 27 March 2021

Exam Time: 3.00 PM

Total Candidate: 16172

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BOILER Exam Result 2021

See/Download Office of The Chief Inspector of Boilers Office Assistant Exam Question Solution 2021 From Below:

Written Math Solution:

১০. (a+1/a)2 = 3 হলে, প্রমাণ করুন যে, a3 + 1/a3 =0

উত্তরঃ

Given, (a+1/a)2 = 3

> (a+1/a) = √3

LHS = a3 + 1/a3 = (a+1/a)3 -3 a.1/a ((a+1/a))

> (√3 )3 -3 √3

>3√3 -3 √3 = 0 (Proved)

১১. 3(a2+2a)2 -22(a2+2a)+40 কে উৎপাদকে বিশ্লেষণ করুন।

উত্তরঃ (a2 + 2a -4) (3a2 +6a -10)

১২. বার্ষিক ১০.৫০% মুনাফায় ৫০০০ টাকার ২ বচরের চক্রবৃদ্ধি মুনাফা নির্ণয় করুন।

উত্তরঃ 1105.125

১৩. পিতা ও পুত্রের বয়সের সমষ্টি ৭৪ বছর। তাদের বয়সের অনুপাত ১০ বছর আগে ছিল ৭:২। ১০ বছর পর বয়সের অনুপাত কত হবে?

উত্তরঃ 31: 16

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Office of The Chief Inspector of Boilers Exam Question Solution 2021:

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