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The total weight of 4 dictionaries and 1079 exercise books is 75 kg. If each exercise book weighs 68 g, what is the weight of each dictionary?
  • a)
    0.407 g                      
  • b)
    407 kg
  • c)
    1628g            
  • d)
    0.407kg
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
The total weight of 4 dictionaries and 1079 exercise books is 75 kg. I...
total weight = 75 kg = 75000g
since, 1 kg = 1000g
weight of 1 excercise book = 68g
weight of 1079 excercise book = 68 * 1079 = 73372g
so, weight of 4 dictionary = 75000- 73372 = 1628g
therefore, weight of 4 dictionary = 1628/ 4 = 407g
hence the weight of 1 dictionary is 407 grams
 
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Most Upvoted Answer
The total weight of 4 dictionaries and 1079 exercise books is 75 kg. I...
Option (D) is the right answer
0.407
Answer by Harsita kumari.
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Community Answer
The total weight of 4 dictionaries and 1079 exercise books is 75 kg. I...
Let's solve the problem step by step:

Given information:
- Total weight of 4 dictionaries and 1079 exercise books is 75 kg.
- Each exercise book weighs 68 g.

To find:
- Weight of each dictionary.

Let's start by converting the weight of exercise books from grams to kilograms:

Weight of exercise books = 1079 exercise books * 68 g/book * (1 kg / 1000 g)
Weight of exercise books = 73.292 kg

Now, let's find the weight of the dictionaries by subtracting the weight of exercise books from the total weight:

Weight of dictionaries = Total weight - Weight of exercise books
Weight of dictionaries = 75 kg - 73.292 kg
Weight of dictionaries = 1.708 kg

Since we need to find the weight of each dictionary, we divide the total weight of the dictionaries by the number of dictionaries:

Weight of each dictionary = Weight of dictionaries / Number of dictionaries
Weight of each dictionary = 1.708 kg / 4
Weight of each dictionary = 0.427 kg

Therefore, the weight of each dictionary is 0.427 kg, which is approximately equal to 0.407 kg (option D).
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The total weight of 4 dictionaries and 1079 exercise books is 75 kg. If each exercise book weighs 68 g, what is the weight of each dictionary?a)0.407 g b)407 kgc)1628g d)0.407kgCorrect answer is option 'D'. Can you explain this answer?
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