Class 8 Exam > Class 8 Questions > If the cost of 18 pens is Rs. 234, a dozen pe...
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If the cost of 18 pens is Rs. 234, a dozen pen will cost
- a)Rs 144
- b)Rs 156
- c)Rs 192
- d)Rs 180
Correct answer is option 'B'. Can you explain this answer?
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Verified Answer
If the cost of 18 pens is Rs. 234, a dozen pen will costa)Rs 144b)Rs 1...
Cost of 18 pens = Rs 234
So Cost of 1 pen = 234/18=13
So a dozen pens (12 pens) will cost =
12 X13 = Rs 156
So Cost of 1 pen = 234/18=13
So a dozen pens (12 pens) will cost =
12 X13 = Rs 156
Most Upvoted Answer
If the cost of 18 pens is Rs. 234, a dozen pen will costa)Rs 144b)Rs 1...
**Given Information:**
- Cost of 18 pens is Rs. 234
**To Find:**
- Cost of a dozen pens
**Solution:**
To find the cost of a dozen pens, we need to find the cost of 12 pens.
Let's assume the cost of a dozen pens is x.
We can set up a proportion using the given information:
18 pens = Rs. 234
12 pens = ?
Using the concept of proportion, we can write:
18 pens / 12 pens = Rs. 234 / x
Simplifying the left side of the equation, we get:
1.5 = Rs. 234 / x
To solve for x, we can cross-multiply:
1.5 * x = Rs. 234
Dividing both sides by 1.5, we get:
x = Rs. 234 / 1.5
Evaluating the right side of the equation, we have:
x = Rs. 156
Therefore, the cost of a dozen pens is Rs. 156, which corresponds to option B.
- Cost of 18 pens is Rs. 234
**To Find:**
- Cost of a dozen pens
**Solution:**
To find the cost of a dozen pens, we need to find the cost of 12 pens.
Let's assume the cost of a dozen pens is x.
We can set up a proportion using the given information:
18 pens = Rs. 234
12 pens = ?
Using the concept of proportion, we can write:
18 pens / 12 pens = Rs. 234 / x
Simplifying the left side of the equation, we get:
1.5 = Rs. 234 / x
To solve for x, we can cross-multiply:
1.5 * x = Rs. 234
Dividing both sides by 1.5, we get:
x = Rs. 234 / 1.5
Evaluating the right side of the equation, we have:
x = Rs. 156
Therefore, the cost of a dozen pens is Rs. 156, which corresponds to option B.
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If the cost of 18 pens is Rs. 234, a dozen pen will costa)Rs 144b)Rs 156c)Rs 192d)Rs 180Correct answer is option 'B'. Can you explain this answer?
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If the cost of 18 pens is Rs. 234, a dozen pen will costa)Rs 144b)Rs 156c)Rs 192d)Rs 180Correct answer is option 'B'. Can you explain this answer? for Class 8 2024 is part of Class 8 preparation. The Question and answers have been prepared according to the Class 8 exam syllabus. Information about If the cost of 18 pens is Rs. 234, a dozen pen will costa)Rs 144b)Rs 156c)Rs 192d)Rs 180Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for Class 8 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for If the cost of 18 pens is Rs. 234, a dozen pen will costa)Rs 144b)Rs 156c)Rs 192d)Rs 180Correct answer is option 'B'. Can you explain this answer?.
If the cost of 18 pens is Rs. 234, a dozen pen will costa)Rs 144b)Rs 156c)Rs 192d)Rs 180Correct answer is option 'B'. Can you explain this answer? for Class 8 2024 is part of Class 8 preparation. The Question and answers have been prepared according to the Class 8 exam syllabus. Information about If the cost of 18 pens is Rs. 234, a dozen pen will costa)Rs 144b)Rs 156c)Rs 192d)Rs 180Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for Class 8 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for If the cost of 18 pens is Rs. 234, a dozen pen will costa)Rs 144b)Rs 156c)Rs 192d)Rs 180Correct answer is option 'B'. Can you explain this answer?.
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