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Questions and Answers
Increasing the quantity 30 by 15:26 results in a new quantity of 52.
Increasing the quantity 30 by 15:26 results in a new quantity of 52.
True (A)
The ratio for decreasing quantity 77 is 11:8.
The ratio for decreasing quantity 77 is 11:8.
True (A)
The new quantity calculated from decreasing 77 by 11:8 is 56.
The new quantity calculated from decreasing 77 by 11:8 is 56.
False (B)
To find the new quantity in direct proportion, the formula used is $ rac{x}{old,quantity} = rac{new,quantity}{old,quantity} $.
To find the new quantity in direct proportion, the formula used is $ rac{x}{old,quantity} = rac{new,quantity}{old,quantity} $.
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The result of $ rac{15 imes 30}{26} $ is 52.
The result of $ rac{15 imes 30}{26} $ is 52.
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The cost of 10 erasers is PKR 60.
The cost of 10 erasers is PKR 60.
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B is directly proportional to A.
B is directly proportional to A.
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When A = 24, the value of B is 6.
When A = 24, the value of B is 6.
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The cost of a kg of sugar when b kg costs PKR 55 is 55/b.
The cost of a kg of sugar when b kg costs PKR 55 is 55/b.
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The variable K represents a constant of proportionality.
The variable K represents a constant of proportionality.
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The equation B = 3(18) indicates B is equal to 54.
The equation B = 3(18) indicates B is equal to 54.
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The equation 3 = K * 18 / 6 simplifies to K = 1/3.
The equation 3 = K * 18 / 6 simplifies to K = 1/3.
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B can be expressed as B = 1/6 * A.
B can be expressed as B = 1/6 * A.
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The calculation B=1(24) results in B being equal to 12.
The calculation B=1(24) results in B being equal to 12.
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Flashcards
Direct Proportion
Direct Proportion
Two quantities are in direct proportion if their ratio is constant.
Inverse Proportion
Inverse Proportion
Two quantities are in inverse proportion if their product is constant.
Finding a new quantity (direct)
Finding a new quantity (direct)
To find the new quantity, set up a proportion using the given ratio and solve for "x" (the new quantity).
Finding a new quantity (inverse)
Finding a new quantity (inverse)
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Proportions
Proportions
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Cost of 10 erasers (Problem 1)
Cost of 10 erasers (Problem 1)
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Cost of a kg of sugar (Problem 2)
Cost of a kg of sugar (Problem 2)
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Direct Proportion (Problem 3)
Direct Proportion (Problem 3)
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Finding 'k' (Problem 3)
Finding 'k' (Problem 3)
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Value of B (Problem 3)
Value of B (Problem 3)
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What does 'K' represent?
What does 'K' represent?
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How to calculate 'K' in direct proportion
How to calculate 'K' in direct proportion
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What is the equation for direct proportion?
What is the equation for direct proportion?
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What is the problem solving for?
What is the problem solving for?
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