Question

If 6 m of a uniform iron rod weights 21 kg, what will be the weight of 16 m of the same rod?​

Answer 1

Answer:

The correct answer is 56 kg.

Step-by-step explanation:

6 m rod weighs 21 kg

1 m rod weighs 21/6 kg

16 m rod weighs (21×16)/6 kg =56 kg.

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Answer 2

Step-by-step explanation:

6m = 21kg

16m = ? kg = x kg

6m = 21kg

16m = x kg

Cross multiply

6x = 21 x 16

x=$\frac{21 \times 16}{6}$

x= 7 x 8

x = 56kg

therefore 16m iron rod weighs 56kg