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
19
:
9
=
(i)
360
:
81
(ii)
361
:
81
(iii)
362
:
81
(iv)
361
:
84
(v)
361
:
79
Question
2
2.
Find the sub-duplicate of the given ratio
225
:
16
=
(i)
14
:
4
(ii)
15
:
1
(iii)
16
:
4
(iv)
15
:
7
(v)
15
:
4
Question
3
3.
Find the triplicate of the given ratio
20
:
13
=
(i)
8000
:
2195
(ii)
7999
:
2197
(iii)
8000
:
2199
(iv)
8000
:
2197
(v)
8001
:
2197
Question
4
4.
Find the sub-triplicate of the given ratio
343
:
1
=
(i)
7
:
-1
(ii)
7
:
3
(iii)
7
:
1
(iv)
6
:
1
(v)
8
:
1
Question
5
5.
Find the compound ratio of
3
:
20
and
8
:
7
(i)
23
:
140
(ii)
24
:
138
(iii)
25
:
140
(iv)
24
:
142
(v)
24
:
140
Question
6
6.
If
(
10
x
+
8
)
:
8
is the duplicate ratio of
8
:
2
,
find the value of x
(i)
12
(ii)
9
(iii)
15
(iv)
11
(v)
13
Question
7
7.
If
14
:
(
x
+
6
)
is the sub-duplicate ratio of
4
:
36
,
find the value of x
(i)
34
(ii)
39
(iii)
37
(iv)
35
(v)
36
Question
8
8.
If
(
x
+
2421
)
:
189
is the triplicate ratio of
9
:
3
,
find the value of x
(i)
2683
(ii)
2681
(iii)
2679
(iv)
2685
(v)
2682
Question
9
9.
If
(
3
x
+
3
)
:
8
is the sub-triplicate ratio of
729
:
8
,
find the value of x
(i)
11
(ii)
8
(iii)
12
(iv)
10
(v)
13
Question
10
10.
Find the compounded ratio of the
duplicate ratio of
16 : 15
,
the reciprocal ratio of
18 : 20
and the sub-duplicate ratio of
81 : 121
(i)
512
:
492
(ii)
511
:
495
(iii)
512
:
497
(iv)
513
:
495
(v)
512
:
495
Question
11
11.
Find the duplicate ratio of
a
:
n
(i)
∛
a
:
∛
n
(ii)
a
2
:
n
2
(iii)
a
3
:
n
3
(iv)
√
a
:
√
n
Question
12
12.
Find the triplicate ratio of
r
:
o
(i)
r
3
:
o
3
(ii)
√
r
:
√
o
(iii)
r
2
:
o
2
(iv)
∛
r
:
∛
o
Question
13
13.
Find the sub-duplicate ratio of
a
:
z
(i)
√
a
:
√
z
(ii)
a
3
:
z
3
(iii)
∛
a
:
∛
z
(iv)
a
2
:
z
2
Question
14
14.
Find the sub-triplicate ratio of
f
:
g
(i)
√
f
:
√
g
(ii)
f
2
:
g
2
(iii)
f
3
:
g
3
(iv)
∛
f
:
∛
g
Question
15
15.
Find the compounded ratio of
b
:
z
and
j
:
r
(i)
b
j
:
z
r
(ii)
rj : bz
(iii)
z : jr
(iv)
j : bz
(v)
bz : jr
Assignment Key
1) (ii)
2) (v)
3) (iv)
4) (iii)
5) (v)
6) (i)
7) (v)
8) (v)
9) (i)
10) (v)
11) (ii)
12) (i)
13) (i)
14) (iv)
15) (i)
