ixambee.com
New Enroll in RBI Grade B New Batch - Starts on May 21

    • My Home
      • Dashboard
      • My Account
      • My Courses
      • My Performance
      • Packages
      • Logout
    • youtube Free Videos
      Youtube VideosLive Classes RBI Grade BLive Classes SEBI Grade ALive Classes IBPS PO & RRB
    • Previous Year Paper
    • Exams
    • Online Course
    • Free Mock Test
    • General Awareness
    • Daily Practice
    • All Courses
    • Private Jobs New
    • Testimonials
    ixambee mentorbee
    1. Home
    2. Questions
    3. Quantitative Aptitude
    4. Simplification
    5. If (x + 1/x) = 5, then value of x3 + 1/x3 is:

    Question

    If (x + 1/x) = 5, then value of x3 +

    1/x3 is:
    A 110 Correct Answer Incorrect Answer
    B 125 Correct Answer Incorrect Answer
    C 140 Correct Answer Incorrect Answer
    D 135 Correct Answer Incorrect Answer

    Solution

    (x + 1/x) = 5 On cubing both sides: x3 + 1/x3 + 3*x*1/x(x + 1/x) = 125 ⇒ x3 + 1/x3 = 125 – 3*5 = 110

    Practice Next
      More Simplification Questions
    • Freedom fighter Sagarmal Gopa was native of-

    • Who is the first woman president of table tennis federation of India appointed recently?

    • Winter rainfall 'Mawat' occurs through-

    • Consider the given statements with respect to the creation of Great Britain. Which of the statements are correct?

      Statements:

    • The hill at Bairath, where the remains of the Buddhist Vihara have been found, is known as-

    • In which of the following city of Rajasthan, 'Rammats' are performed during Holi ?

    • The Great Wall of China was built during which dynasty?
    • The difference between revenue and cost is called the firm’s __________.

    • Which was the first country in the world to start a national program for family planning?

    • Which of the following articles of the Indian Constitution talk about citizenship?

    Relevant for Exams:

    • SSC CGL
    • IB ACIO Executive

    Please Register/Login to Download Question

    I Pledged to:

    Please Enter Details

    call-back
    Please enter Name We'll never share your email with anyone else.
    Please enter Correct Mobile Number We'll never share your email with anyone else.

    Thank You

    +91-9205524028 Available Mon-Sat (10 AM to 7 PM)

    hello@ixambee.com

    © ATOZLEARN EDUTECH PRIVATE LIMITED All rights reserved.

    Update Address

    Please enter complete address
    Please enter pincode
    Please enter State
    Please enter City

    Download the app

    ×
    QR Code
    Get Started with ixamBee

    Start learning 50% faster. Sign in now

    Please enter Mobile Number Please enter valid Mobile Number
    Please enter Mobile Number Please enter valid Mobile Number
    Email id already Exists Please Enter valid Email Address
    Please enter valid OTP Mail sent on your email