Question

If \( a: b:: b: c \), then \( a, b \) and \( c \) are not in continued proportion. In the term 'per cent' the word 'cent' means one thousand. J Profit \( =S . P .-C . P \). \( \jmath \) J Amount \( = \) Principle - Interest J D. Let's Solve The ratio of the number of boys and girls in a class is \( 11: 7 \). Find the number of girls if the total number of students in the class is 72 . 2. Nisha gets 20 marks out of 25 in a test and Vikram gets 75 out of 100 . Who is a better candidate ? 3. The ratio of pure milk to water in a can of adulterated milk is \( 11: 1 \). If the pure milk is 132 litres, how much water

          If \( a: b:: b: c \), then \( a, b \) and \( c \) are not in continued proportion.
In the term 'per cent' the word 'cent' means one thousand.

J

Profit \( =S . P .-C . P \).
\( \jmath \)

J

Amount \( = \) Principle - Interest
J
D. Let's Solve

The ratio of the number of boys and girls in a class is \( 11: 7 \). Find the number of girls if the total number of students in the class is 72 .
2. Nisha gets 20 marks out of 25 in a test and Vikram gets 75 out of 100 . Who is a better candidate ?
3. The ratio of pure milk to water in a can of adulterated milk is \( 11: 1 \). If the pure milk is 132 litres, how much water

If a: b:: b: c, then a, b and c are not in continued proportion.
In the term 'per cent' the word 'cent' means one thousand.

J

Profit =S . P .-C . P.

J

Amount = Principle - Interest
J
D. Let's Solve

The ratio of the number of boys and girls in a class is 11: 7. Find the number of girls if the total number of students in the class is 72 .
2. Nisha gets 20 marks out of 25 in a test and Vikram gets 75 out of 100 . Who is a better candidate ?
3. The ratio of pure milk to water in a can of adulterated milk is 11: 1. If the pure milk is 132 litres, how much water

Added by Margaret P.

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