Fractions(5th Grade > Mathematics ) Questions and Answers
Question 1.
14 of a minute is ______ seconds
15 sec
18 sec
20 sec
30 sec
Explanation:-
Answer: Option A. ->
15 sec
: A
1 minute = 60 seconds
14 of a minute is 14×60=15 seconds
Question 2.
3313 expressed as an improper fraction is ___
2003
1503
1003
503
Explanation:-
Answer: Option C. -> 1003 : C
3313=3(33)+13=99+13=1003
Question 3.
33121 reduced to its simplest form is ______
111
311
911
113
Explanation:-
Answer: Option B. -> 311 : B
33121=/11×3/11×11=311
Question 4.
516−314 =_____
2
1512
1712
11112
Explanation:-
Answer: Option D. -> 11112 : D
516−314=316−134=62−3912(LCM of 6 and 4 is 12)=2312=11112
Question 5.
Arun reads 38th of a book in the morning and 14th of the same book in the evening. What fraction of the book still remains to be read by Arun?
14
58
38
18
Explanation:-
Answer: Option C. -> 38 : C
Fraction of book read by Arun =38+14=38+1×24×2(LCM of 8 and 4 is 8)=3+28=58 ∴ Fraction of book remaining will be =1−58=8−58=38 ∴ Fraction of book remaining will be 38.
Question 6.
The product of two numbers is 1. If one number is 23, then the other number is _________.
2
12
13
32
Explanation:-
Answer: Option D. -> 32 : D
Given that
The product of two numbers = 1
One of the numbers = 23 The product of any fraction with its multiplicative inverse is always equal to 1.
Multiplicative inverse of 23 is 32
⇒23×32 = 1 ∴ The other number is = 32
Question 7.
214 of 223 = ____
6
378
493
546
Explanation:-
Answer: Option A. -> 6 : A
214 of 223
=94×83
=9×84×3
=7212
=6
Question 8.
Asha read 14 of a book. If the book has 72 pages, the number of pages she read is ______.
18
24
36
54
Explanation:-
Answer: Option A. ->
18
: A
As per the question,
Asha read 14 of a book.
Number of pages in the book = 72
Number of pages she read =14×72=18
Question 9.
A tank can hold 1680 litres of water. How much water is there in it when it is 47 full?
240 litres
900 litres
960 litres
1000 litres
Explanation:-
Answer: Option C. ->
960 litres
: C
Total volume of tank = 1680 L
Volume of tank when it is 47 full=47×1680=960 L
Question 10.
If 18 cartons of apple juice weigh 4912 kg, then the weight of 1 carton of apple juice is ______ kg.