EduSahara™ Assignment
Name : Ratio Types
Chapter : Ratio
Grade : ICSE Grade X
License : Non Commercial Use
Question
1
1.
Find the duplicate of the given ratio
9
:
4
=
(i)
81
:
18
(ii)
81
:
16
(iii)
80
:
16
(iv)
81
:
13
(v)
82
:
16
Question
2
2.
Find the sub-duplicate of the given ratio
9
:
324
=
(i)
2
:
18
(ii)
3
:
20
(iii)
3
:
16
(iv)
3
:
18
(v)
4
:
18
Question
3
3.
Find the triplicate of the given ratio
16
:
3
=
(i)
4096
:
25
(ii)
4096
:
30
(iii)
4095
:
27
(iv)
4096
:
27
(v)
4097
:
27
Question
4
4.
Find the sub-triplicate of the given ratio
729
:
64
=
(i)
9
:
4
(ii)
10
:
4
(iii)
9
:
7
(iv)
8
:
4
(v)
9
:
2
Question
5
5.
Find the compound ratio of
11
:
19
and
20
:
6
(i)
220
:
117
(ii)
219
:
114
(iii)
220
:
114
(iv)
220
:
111
(v)
221
:
114
Question
6
6.
If
(
x
+
5
)
:
108
is the duplicate ratio of
7
:
6
,
find the value of x
(i)
139
(ii)
141
(iii)
144
(iv)
143
(v)
142
Question
7
7.
If
(
x
+
9
)
:
24
is the sub-duplicate ratio of
81
:
36
,
find the value of x
(i)
30
(ii)
24
(iii)
27
(iv)
28
(v)
26
Question
8
8.
If
(
x
+
481
)
:
81
is the triplicate ratio of
7
:
3
,
find the value of x
(i)
550
(ii)
545
(iii)
547
(iv)
548
(v)
549
Question
9
9.
If
(
x
+
4
)
:
6
is the sub-triplicate ratio of
125
:
8
,
find the value of x
(i)
8
(ii)
10
(iii)
11
(iv)
12
(v)
14
Question
10
10.
Find the compounded ratio of the
duplicate ratio of
15 : 12
,
the reciprocal ratio of
8 : 3
and the sub-duplicate ratio of
400 : 225
(i)
24
:
32
(ii)
26
:
32
(iii)
25
:
29
(iv)
25
:
34
(v)
25
:
32
Question
11
11.
Find the duplicate ratio of
t
:
w
(i)
∛
t
:
∛
w
(ii)
t
3
:
w
3
(iii)
√
t
:
√
w
(iv)
t
2
:
w
2
Question
12
12.
Find the triplicate ratio of
z
:
r
(i)
z
2
:
r
2
(ii)
z
3
:
r
3
(iii)
√
z
:
√
r
(iv)
∛
z
:
∛
r
Question
13
13.
Find the sub-duplicate ratio of
n
:
a
(i)
n
2
:
a
2
(ii)
∛
n
:
∛
a
(iii)
n
3
:
a
3
(iv)
√
n
:
√
a
Question
14
14.
Find the sub-triplicate ratio of
h
:
k
(i)
√
h
:
√
k
(ii)
h
3
:
k
3
(iii)
∛
h
:
∛
k
(iv)
h
2
:
k
2
Question
15
15.
Find the compounded ratio of
z
:
o
and
d
:
y
(i)
yd : zo
(ii)
o : dy
(iii)
z
d
:
o
y
(iv)
d : zo
(v)
zo : dy
Assignment Key
1) (ii)
2) (iv)
3) (iv)
4) (i)
5) (iii)
6) (v)
7) (iii)
8) (iv)
9) (iii)
10) (v)
11) (iv)
12) (ii)
13) (iv)
14) (iii)
15) (iii)