1
You visited us
1
times! Enjoying our articles?
Unlock Full Access!
Byju's Answer
Standard VIII
Mathematics
Direct Proportion
If one gold b...
Question
If one gold bangle is made from 12 gram 250 milligrams of gold, how much gold will be needed to make 8 such bangles? (1000 mg=1 g).
Open in App
Solution
First convert
g
r
a
m
into
m
i
l
l
i
g
r
a
m
12
g
r
a
m
=
12
×
1000
=
12000
m
i
l
l
i
g
r
a
m
one bangle
=
12000
+
250
=
12250
m
i
l
l
i
g
r
a
m
8
Bangles
=
8
×
12250
=
98000
m
i
l
l
i
g
r
a
m
.
next convert from milligram to gram
98000
m
i
l
l
i
g
r
a
m
=
98000
÷
1000
=
98
g
r
a
m
.
98
g
r
a
m
of gold needed to make
8
Bangles
.
Suggest Corrections
1
Similar questions
Q.
If gold number for a protective colloid is
0.08
then how many milligrams would be needed to protect
50
m
l
of a standard gold sol from being coagulated on addition of
5
m
l
of
10
solution?
Q.
If 1 gram of gold costs 4000 rupees, then how much does 200 milligrams of it cost?
Q.
A jeweler claims that he makes ornament of pure gold of relative density
19.3
. He sells a bangle weighing
25.25
gf to a person. The clever customer weighs the bangle when immersed in water and finds that it weighs
23.075
gf in water.With the help of suitable calculations find out whether the ornament is made of pure gold or not.
[HINT: calculate R.D. of material of bangle which comes out to be
11.6
].
Q.
Diameter of a bangle is
7
c
m
. Thin stripe of gold is to be fixed on this bangle, find the cost(in Rs) for it at the rate of
R
s
.
100
per
1
c
m
.
Q.
A jeweller claims that he sells ornaments made of pure gold that has the relative density of 19.3. He sold a bangle weighing 25.25 gf to a person. The clever customer weighs that bangle when immersed in pure water and finds that it weighs 23.075 gf in water. Is the ornament made by pure gold?
View More
Join BYJU'S Learning Program
Grade/Exam
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th grade
7th grade
8th Grade
9th Grade
10th Grade
11th Grade
12th Grade
Submit
Related Videos
Introduction to Direct Proportions
MATHEMATICS
Watch in App
Explore more
Direct Proportion
Standard VIII Mathematics
Join BYJU'S Learning Program
Grade/Exam
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th grade
7th grade
8th Grade
9th Grade
10th Grade
11th Grade
12th Grade
Submit
AI Tutor
Textbooks
Question Papers
Install app