Question

When Raju was born he weighed 3.75 Kg. when he was 1 year
old he weighed 7.5kg. By how much did his weight increase in 1
year​

Answer 1

Answer:

CP of 50 kg mangoes =50×22=Rs.1100

SP of 50 kg mangoes =

100

125

×1100=Rs.1375

Let the mangoes sold at Rs.30 per kg be x.

According to the question,

30×x+20(50−x)=1375

30x−20x=375

x=

10

375

=37.5 kg

Hence, mangoes sold at Rs.20 kg=50−37.5=12.5 kg.

Answer 2

Answer:

3.75

Step-by-step explanation:

7.5 - 3.75= 3.75

Thus, Raju's wight increased by 3.75 kg in one year.