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(a) 15% of 250
(b) 1% of an hour
(c) 20% of 2500
(d) 75% of 1 kg

1 Answer

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Best answer

(a) 15% of 250

= 15/100 x 250

= 15 x 2.5

= 37.5

(b) 1% of 1 hour 

= 1% of 60 minutes

= 1/100 x 60 = 6/100 minutes

= 6/10 x 60 second

= 36 second

(c) 20% of 2500 

= 20/100 x 2500

= 20 x 25

= 500

(d) 75% of 1 kg 

= 75% of 1000 gm

= 75/100 x 1000 

= 750 gm 

= 0.75 kg.

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