Three students gave an improvement test. Ajay scored 30
60
in his
first test and 35
60 in improvement test. Sonu scored 42
70
in his first test
and in 50
60 in improvement test. Manish scored 50
60
in his first test and
42
50 in improvement test.
I. What fraction of improvement did Manish made?
II. Which student improved the most?
Answers
Given : Three students gave an improvement test
Ajay scored 30 / 60 in his first test and 35 / 60 in improvement test.
Sonu scored 42 / 70 in his first test and in 50 / 60 in improvement test. Manish scored 50 / 60 in his first test and 42 / 50 in improvement test.
To Find :
I. What fraction of improvement did Manish made?
II. Which student improved the most?
Solution:
Ajay in 1st test = 30/60 = 1/2
Ajay in improvement test = 35/60 = 7/12
Improvement = 7/12 - 1/2 = 1/12
Sonu in 1st test = 42/70 = 3/5
Sonu in improvement test = 50/60 = 5/6
Improvement = 5/6 - 3/5 = 7/30
Manish in 1st test = 50/60 = 5/6
Manish in improvement test = 42/50 = 21/25
Improvement = 21/25 - 5/6 = 1/150
Manish make 1/150 improvement
7/30 > 1/12 > 1/150
Hence Sonu improved the most
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Answer:
Given : Three students gave an improvement test
Ajay scored 30 / 60 in his first test and 35 / 60 in improvement test.
Sonu scored 42 / 70 in his first test and in 50 / 60 in improvement test. Manish scored 50 / 60 in his first test and 42 / 50 in improvement test.
To Find :
I. What fraction of improvement did Manish made?
II. Which student improved the most?
Solution:
Ajay in 1st test = 30/60 = 1/2
Ajay in improvement test = 35/60 = 7/12
Improvement = 7/12 - 1/2 = 1/12
Sonu in 1st test = 42/70 = 3/5
Sonu in improvement test = 50/60 = 5/6
Improvement = 5/6 - 3/5 = 7/30
Manish in 1st test = 50/60 = 5/6
Manish in improvement test = 42/50 = 21/25
Improvement = 21/25 - 5/6 = 1/150
Manish make 1/150 improvement
7/30 > 1/12 > 1/150
Hence Sonu improved the most
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