ixambee.com
New RBI Grade B 2025 Notification will come Soon! Enroll Here

    • 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. Average
    5. The average age of a group of 20 students is 30 years. Two persons of age 40 years and 35 years, lef

    Question

    The average age of a group of 20 students is 30 years.

    Two persons of age 40 years and 35 years, left the group and 2 persons of age 50 years and 65 years, joined the group. Find the new average age of the group.
    A 37 years Correct Answer Incorrect Answer
    B 29 years Correct Answer Incorrect Answer
    C 32 years Correct Answer Incorrect Answer
    D 21 years Correct Answer Incorrect Answer

    Solution

    Required average = {(20 × 30) – 40 – 35 + 50 + 65}/20 = 32 years

    Practice Next
      More Average Questions
    • If = 2 then find

      Atul has Rs.500 with him. He invested 30% of the amount at 5% p.a. for 6 years and rest at 20% p.a. for 4 years. Find the sum of simple interests receiv...

    • If (p/q) = (7/8) and (q/r) = (3/11), then the find the value of {(r – p)/(p + q)}.

    • In an orchard, the ratio of the number of mango and lichi trees is 9:10, respectively. Also, there are few apple trees in the orchard which is 50% more ...

    • If a =-10, b= -6 and c=18, then what is the value of (3abc)/4.

    • If a = 2 + √3, then the value of`(a^(6) + a^(4) + a^(2) + 1)/(a^(3))` is

    • Find the value of 3/4 cot² 30° + cos² 30°-3cosec²60° + tan² 60°.

    • If p = 11, then what is the value of  

      `25(2/3)+11(1/9)+16(4/5)xx6(5/12)` = ? -`632/45`

    • If (x 3/2 - x.y 1/2 + x 1/2 .y-y 3/2 ) is divided by (x 1/2 -y 1/2...

    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)

    [email protected]

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