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Maths 5 Mark Question

Ratio, Proportion and Unitary Method · Maharashtra Board STD 6 (MSBSHSE - English Medium). 3 questions.

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5 Mark Question

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Question 15 Marks
Avinash works as a lecturer and earns Rs. 12000 per month. His wife who is a doctor earns Rs. 15000 per month. Find the following ratios:
  1. Avinash's income to their total income.
  2. Avinash's income to their total income.
Answer
  1. Given that,
Avinash salary = Rs. 12,000 per momth.

Wife salary = Rs. 15,000 per month.

Avinash's income to wife income $=\frac{\text{Rs. 12,000}}{\text{Rs. 15,000}}$

$=\frac{4}{5}$
  1. Total income = 27,000 per month,
Avinash's income to the total

income $=\frac{\text{Rs. 12,000}}{\text{Rs. 27,000}}$

$=\frac{4}{9}$
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Question 25 Marks
Margarette works in a factory and earns Rs. 955 per month. She saves Rs. 185 per month from her earnings. Find the ratio of:
  1. Her savings to her income.
  2. Her income to her expenditure.
  3. Her savings to her expenditure.
Answer
Margarette earns - 955 per
Savinss - 185 per moth
Expenditure = 955 - 185
= 770
  1. Her savings to her incom $=\frac{185\div5}{955\div5}$
$=\frac{37}{191}$
  1. Her income to her expenditure $=\frac{955}{770}=\frac{191}{154}$
  2. Her savings to her expenditure $=\frac{185}{770}=\frac{37}{154}$
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Question 35 Marks
If 9kg of rice costs Rs. 120.60, what will 50kg of such a quality of rice cost?
Answer
9kg rice cost 120.60
50kg cost = ?
1kg rice cost $=\frac{120.60}{9}$
= 13.4
50kg rice cost = 13.4 × 50
= 670
$\therefore$ 50kg rice cost = Rs. 670
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