Question

15 books weigh 6 kg. What will 6 books weigh ?(a) 1.2 kg(b) 2.4 kg(c) 3.8 kg(d) 3 kg.​

Answer 1

Answer:

option b 2.4 kg

Step-by-step explanation:

Because if 15 book - 6kg(6000g)

6 book - ?

so after cross multiplication :

6000×6/15

we get 1 book will weigh 400 g

then ,6 books × 400g = 2kg 400g or 2.4 kg