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Numbers Interview questions and Answers

  • February 16, 2023
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Bharani Kumar Depuru is a well known IT personality from Hyderabad. He is the Founder and Director of AiSPRY and 360DigiTMG. Bharani Kumar is an IIT and ISB alumni with more than 18+ years of experience, he held prominent positions in the IT elites like HSBC, ITC Infotech, Infosys, and Deloitte. He is a prevalent IT consultant specializing in Industrial Revolution 4.0 implementation, Data Analytics practice setup, Artificial Intelligence, Big Data Analytics, Industrial IoT, Business Intelligence and Business Management. Bharani Kumar is also the chief trainer at 360DigiTMG with more than Ten years of experience and has been making the IT transition journey easy for his students. 360DigiTMG is at the forefront of delivering quality education, thereby bridging the gap between academia and industry.

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  • The product of three consecutive numbers which are odd in nature when divided by 3 is 810. The product of their squareroots is ?

    • a) 52.2
    • b) 48.9
    • c) 49.21
    • d) 50

    Answer - c) 49.21

    Let the two consecutive natural numbers which are multiples of 3 be 3x and 3(x+1)
    Now, 3x(3x+3)=810;⇒x2+x=90;⇒x2+x−90=0;⇒(x+10)(x−9)=0;⇒x=9 or x=−10 We have x=9
    Hence, the required numbers are 27 and 30 so product of sqrt= 49.21.

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