Loading [MathJax]/jax/output/HTML-CSS/jax.js
download Mastguru Android App

Surds and Indices Questions Answers

  • 1. Value of (256)54

    1. 1012
    2. 1024
    3. 1048
    4. 525
    Answer And Explanation

    Answer: Option B

    Explanation:

    =(256)54=(44)54=45=1024

  • 2. 813

    1. 2
    2. 4
    3. 2
    4. 8
    Answer And Explanation

    Answer: Option C

    Explanation:

    =((8)12)13=8(12×13)

    =(8)16

    =(2)3(16)

    =(2)12

  • 3. Find the value of,
    121623+125634+13215

    1. 100
    2. 101
    3. 102
    4. 103
    Answer And Explanation

    Answer: Option C

    Explanation:

  • 4. Find the value of
    (10)150÷(10)146

    1. 10
    2. 100
    3. 1000
    4. 10000
    Answer And Explanation

    Answer: Option D

    Explanation:

    =(10)150(10)146=104=10000

  • 5. (1000)7÷(10)18=?

    1. 10
    2. 100
    3. 1000
    4. 10000
    Answer And Explanation

    Answer: Option C

    Explanation:

    =(103)7(10)18

    =(10)21(10)18=103=1000

  • 6. If m and n are whole numbers such that
    mn=121
    , the value of (m1)n+1 is

    1. 1
    2. 10
    3. 100
    4. 1000
    Answer And Explanation

    Answer: Option D

    Explanation:

    We know that (11)2=121
    So, putting values in said equation we get,
    (111)2+1=(10)3=1000

  • 7. Evaluate 2560.16×(256)0.09

    1. 2
    2. 4
    3. 8
    4. 16
    Answer And Explanation

    Answer: Option B

    Explanation:

    =2560.16+0.09=2560.25=25625100

    =25614=(44)14

    =(4)4×14=4

Post a comment

  • SHAN 9 years ago

    HEY QNS COPIED FROM QUANTITATIVE APP. S.CHAND

  • kumar 10 years ago

    what is the answer of 2^x=4^y=8^z and 1/2x+1/4y+1/6z=24/7

    M Rudra 9 years ago replied

    x is 7÷16

  • kumar 10 years ago

    i want to know the answer of 2^x=4^y=8^z and (1/2x+1/4y+1/6z)=24/7

  • asuquo rosy 10 years ago

    If x = root3 - root2 / root3 + root 2, y = root3 + root2 / root3 - root2. Find the value of 3x^2 - 5x + 3y^2.

  • dian 11 years ago

    Same questions seen everywhere

  • Savi 11 years ago

    Good questions