Decimal Fraction Questions Practice Question and Answer

Q:

Sum of 5 times of a fraction and 4 times its reciprocal is 9. What is fraction?

1582 0

  • 1
    $$ {2\over7}$$
    Correct
    Wrong
  • 2
    $$ {5\over4}$$
    Correct
    Wrong
  • 3
    $$ {4\over5}$$
    Correct
    Wrong
  • 4
    $$ {7\over2}$$
    Correct
    Wrong
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Answer : 3. "$$ {4\over5}$$"

Q:

Which of the following fractions is greater than $$ {3\over 4}$$  and less than $$ {5\over 6}$$?

1527 0

  • 1
    $$ {4\over 5}$$
    Correct
    Wrong
  • 2
    $$ {1\over 2}$$
    Correct
    Wrong
  • 3
    $$ {2\over 3}$$
    Correct
    Wrong
  • 4
    $$ {9\over 10}$$
    Correct
    Wrong
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Answer : 1. "$$ {4\over 5}$$"

Q:

Two numbers are in the ratio x : y . If 2 is added to both numerator and denominator ,  the fraction becomes $$ 1\over2$$. Find the value of x + y . 

1281 0

  • 1
    2
    Correct
    Wrong
  • 2
    3
    Correct
    Wrong
  • 3
    4
    Correct
    Wrong
  • 4
    5
    Correct
    Wrong
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Answer : 4. "5 "

Q:

The difference between a fraction and its reciprocal is 9/11. If the cubes of both the fraction and its reciprocal are considered, what will be the difference between them?

1239 0

  • 1
    3996/1331
    Correct
    Wrong
  • 2
    -1331/2538
    Correct
    Wrong
  • 3
    729/1331
    Correct
    Wrong
  • 4
    -2538/1331
    Correct
    Wrong
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Answer : 1. "3996/1331"

Q: Which of the following fraction is the largest? 1195 1

  • 1
    7/12
    Correct
    Wrong
  • 2
    9/16
    Correct
    Wrong
  • 3
    13/20
    Correct
    Wrong
  • 4
    32/80
    Correct
    Wrong
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Answer : 1. "7/12"
Explanation :

Answer: A) 7/12 Explanation: Here to say which fraction is greater from the given options, the fraction with greater numerator with same denominator or smaller denominator with same numerator. To find the greater fraction, among the given options, make the denominators same for the options by finding the LCM of all the denominators. 7/12, 9/16, 13/20, 32/80 Now, LCM of 12, 16, 20, 80 = 240. Then, 140/240, 135/240, 156/240, 96/240 Here  156240 > 140240 > 135240 > 96240=> 1320 > 712 > 916 > 3280   Hence, largest fraction = 13/20.

Q:

If $$ 5^{5x+1}=1 $$, then x equals

1167 0

  • 1
    0
    Correct
    Wrong
  • 2
    -1
    Correct
    Wrong
  • 3
    1
    Correct
    Wrong
  • 4
    $$ -{4\over5}$$
    Correct
    Wrong
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Answer : 2. "-1"

Q:

Find the sum of the factors of 3240

1120 0

  • 1
    10890
    Correct
    Wrong
  • 2
    11000
    Correct
    Wrong
  • 3
    10800
    Correct
    Wrong
  • 4
    10190
    Correct
    Wrong
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Answer : 1. "10890 "

Q:

Which of the following is equal to 1.41 × 106 ?

1079 0

  • 1
    14100
    Correct
    Wrong
  • 2
    141
    Correct
    Wrong
  • 3
    1410000
    Correct
    Wrong
  • 4
    1.41
    Correct
    Wrong
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Answer : 3. "1410000"

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