Question

15. Radlia secured 60 marks out of 100, Sudha secured 70 out of 200 and Rajat secured 80 out of 400. Find their
percentages of marks. Also find the ratio of their marks.​

Answer 1

Step-by-step explanation:

12:7:16

hope it helps you dear friend

#Nikki

Answer 2

Answer :

Ratio of their marks = 30 : 7 : 10

Given :

• Marks Radha scored = 60/100

• Marks Sudha scored = 70/200

• Marks Rajat scored = 80/400

To find :

• The percentage of marks each student got.

• The ratio of the percentages.

Solution :

→ Marks Radha scored = 60/100

To find percentage :

→ 60 x 100 x 100

→ 60%

→ Marks Sudha scored = 70/200

To find percentage :

→ 70 x 200 x 100 = 14%

→ Marks Rajat scored = 80/400

To find percentage :

→ 80/400 x 100 = 20%

Ratio of their percentage scores :

→ 60 : 14 : 20

→ Reducing :-

→ 30 : 7 : 10