Question

1) The length of an iron rod is (16.4 +0.1)cm. If
small piece of length (1.2 +0.1)cm is cut out, then
length of remaining rod is :
A) 15.2 cm
B) (15.2 +0.2)cm
C) (15.2 +0.1)cm
D) (17.6 – 0.1)cm​

Answer 1

Answer:

length of iron rod =( 16.4 + 0.1) cm

= 16.5 cm .

length of small piece iron rod = 1.2+0.1 cm

= 1.3 cm

length of remaining rod =( 16.5 - 1.3) cm

= 15.2 cm

Answer 2

Answer:

a)- 15.2

Explanation:

firstly we add the length of rod which is

16. 4 + 0.1 = 16.5

then we add the length which is cut out is

1.2 +0.1= 1.3

ATQ

WE SUBTRACT

16.5 -1.3 = 15.2

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