Discussion
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- Question
Which of the following fractions is greater than 3 /4 and less than 5 / 6 ?
Options- A. 3 / 5
- B. 4 / 5
- C. 7 / 5
- D. 9 / 5
- Correct Answer
- 4 / 5
Explanation3 /4 = 0.75, 5/6 = 0.833, 1/2 = .5, 2/3 = 0.66, 4/5 = 0.8, 9/10 = 0.9.
clearly 0.8 lies between 0.75 and .833.
4/5 lies between 3/4 and 5/6..
- 1. What decimal of an hour is a second
Options- A. .0028
- B. .0027
- C. .0026
- D. .0025 Discuss
- 2. When 0.232323.... is converted into a fraction , then the result is
Options- A. 1/5
- B. 2/9
- C. 23/99
- D. 23/100 Discuss
- 3. 3 x 0.3 x 0.03 x 0.003 x 30 =?
Options- A. 0.0000243
- B. 0.000243
- C. 0.00243
- D. 0.0243 Discuss
- 4. If 1.5x = 0.04y, then the value of ( (y - x) / (y+x) ) is :
Options- A. 73/77
- B. 7.3/77
- C. 730/77
- D. 7300/77 Discuss
- 5. If 47. 2506 = 4*A + 7/B + 2*C + 5/D + 6*E, then the value of 5*A + 3*B + 6*C + D + 3*E is :
Options- A. 55.6003
- B. 53.603
- C. 153.6003
- D. 213.003 Discuss
- 6. A tailor has 37.5 metres of cloth and he has to make 8 pieces out of a metre of cloth. How many pieces can he make out this cloth ?
Options- A. 300
- B. 360
- C. 400
- D. 450 Discuss
- 7. 54.327 x 357.2 x 0.0057 is same as
Options- A. 5.4327 x 3.572 x5.7
- B. 5.4327 x 3.572 x0.57
- C. 54327 x 3572 x 0.0000057
- D. None of these Discuss
- 8. The rational for the recurring decimal 0.125125......is
Options- A. 125/99
- B. 125/999
- C. 125/9999
- D. 125/9 Discuss
- 9. 4.036 divided by 0.04 gives
Options- A. 1.009
- B. 10.09
- C. 100.9
- D. None of these Discuss
- 10. Karthik read 613 th of a book in 1st week and 59 th of the remaining book in 2nd week. If there were 100 pages unread after 2nd week, how many pages were there in the book ?
Options- A. 404
- B. 415
- C. 418
- D. 420 Discuss
Decimal Fraction problems
Search Results
Correct Answer: .0027
Explanation:
1 / (60 * 60) = 1 / 3600 = .0027
Correct Answer: 23/99
Explanation:
Correct Answer: 0.00243
Explanation:
3 x 3 x 3 x 3 x 30 = 2430. Sum of decimal places = 6
Therefore, 3 x 0.3 x 0.03 x 0.003 x 30 = 0.002430 = 0.00243
Correct Answer: 73/77
Explanation:
x / y = 0.04 / 1.5 = 4 / 150 = 2 / 75.
= > ( (y - x) / (y+x) ) = (1 - (x / y)) / ( 1 + ( x / y)) = (1 - 2/75) / (1 + 2/75) = 73/77...
Correct Answer: 153.6003
Explanation:
4*A + 7/B + 2*C + 5/D + 6*E =47.2506
=> 4 * A + 7/B + 2 *C + 5/D + 6*E = 40 + 7 + 0.2 + 0.05 + 0.0006
Comparing the terms on both sides, we get :
4*A =40, 7/B = 7, 2*C = 0.2, 5/D = 0.05, 6*E = 0.0006
A = 10,
B = 1,
C = 0.1,
D = 100,
E = 0.0001.
5*A + 3*B + 6*C + D + 3*E =(5*10) + (3*1) + (6*0.1) +100 +(3*0.0001)
=50 + 3 + 0.6 + 100 + 0.003 = 153.6003.
Correct Answer: 300
Explanation:
Length of each piece = (1/8) m = 0.125 m
Required no of pieces = (37.5/0.125) = (375 * 100) / 125 = 300.
Correct Answer: 5.4327 x 3.572 x5.7
Explanation:
Number of decimal places in the given expression = 8
Number of decimal places in (A) = 8
Number of decimal places in (B) = 9
Number of decimal places in (C)= 7
Clearly , the expresssion in (A) is the same as the given Expression.
Correct Answer: 125/999
Explanation:
0.125125...... = = 125/999
Correct Answer: 100.9
Explanation:
4.036/0.04 = 4036/40 = 100.9
Correct Answer: 418
Explanation:
Let the total book be 1
Then, in the 1st week th of book is read
i.e remaining pages =
in 2nd week he read
th of it
i.e
Remaining pages after 2nd week =
But given remaining pages after 2nd week = 100
--> x = 418
The total pages in the book are 418
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