Q.(4) Solve any nine of the following : (8 x 3 = 24)
(1) Add the following decimals :
(a) 150, 230.94, 37.058 (b) 76.98,0.07,9.99
(2) Subtract :
(a) 177.38 198 (b) 189.99 197.007
(3) If = 1, = 2 and = 4, find the value of 5
+ –
.
(4) Subtract : 5 − 8
– 9 + 3 from 9 − 5 + 17
6
.
(5) By how much does 5 exceed 9 – 5 + 14 ?
(6) Find each of the following ratios in its simplest form
(a) 58 minutes to 1 hour (b) 2.8 kg to 6 kg
(7) Find the value of x in each of the following proportions :
(a) 5 ∶ 8 ∶∶ 25 ∶ (b) 57 ∶ ∶∶ 51 ∶ 83
(8) Find the perimeter of a rectangle in which length = 27.6 m and breadth = 5m 3cm.
please answer it is emergency
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Answer:
1)a)150.00
230.940
37.058
--------------------
417.998
b) 76.98+
0.07 + 9.99 = 87.04
2) 198.00
- 177.38 = 2 0 . 6 2
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