15. Sweety runs around a square park of side 75 m. Bulbul runs around a rectangular
park with length 60 m and breadth 45 m. Who covers less distance?
What do you infer from
Answers
Step-by-step explanation:
)
2
−
3
5
=
2
1
−
3
5
=
10
−
3
5
=
7
5
(
improper fraction
)
Converting into mixed fraction, we get
=
1
2
5
b)
4
+
7
8
=
4
1
+
7
8
=
32
+
7
8
=
39
8
(
improper fraction
)
Converting into mixed fraction, we get
=
4
7
8
c)
3
5
+
2
7
=
21
+
10
35
=
31
35
d)
9
11
−
4
15
=
135
−
44
165
=
91
165
e)
7
10
+
2
5
+
3
2
=
7
+
4
+
15
10
=
26
10
=
13
5
(
improper fraction
)
Converting into mixed fraction, we get
=
2
3
5
f)
2
2
3
+
3
1
2
=
8
3
+
7
2
=
16
+
21
6
=
37
6
(
improper fraction
)
Converting into mixed fraction, we get
=
6
1
6
g)
8
1
2
−
3
5
8
=
17
2
−
29
8
=
68
−
29
8
=
39
8
(
improper fraction
)
Converting into mixed fraction, we get
=
4
7
8
Step-by-step explanation:
Sweety :-
Perimeter of square park = 4 × side
= 4 × 75
= 300m
Bulbul :-
Perimeter of rectangular park = 2( l + b )
= 2(60+45)
= 2 × 105
= 210m
Ans = Bulbul covers less distance..
HOPE IT HELPS YOU....