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There are 3 groups of pupils in the hall. There are 7 pupils in each group. After five minutes later, 5 more pupils walk into the hall and join them. How many pupils are there in the hall now?
  • a)
    21
  • b)
    15
  • c)
    16
  • d)
    26
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
There are 3 groups of pupils in the hall. There are 7 pupils in each g...
Number of groups = 3 Each group has 7 pupils
Total number of pupils = 3 × 7 = 21
Now, After joining 5 more pupils, Total number of pupils = 21 + 5 = 26
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Community Answer
There are 3 groups of pupils in the hall. There are 7 pupils in each g...
Understanding the Problem
To find the total number of pupils in the hall, we need to consider the initial number of pupils and the additional pupils who joined later.
Initial Number of Pupils
- There are 3 groups of pupils.
- Each group has 7 pupils.
- Therefore, the initial number of pupils can be calculated as follows:
- Total pupils = Number of groups × Pupils per group
- Total pupils = 3 groups × 7 pupils/group = 21 pupils
Additional Pupils
- After five minutes, 5 more pupils walk into the hall.
- We need to add these additional pupils to the initial count.
Calculating the Total
- Total pupils after additional pupils = Initial pupils + Additional pupils
- Total pupils = 21 pupils + 5 pupils = 26 pupils
Conclusion
Thus, the total number of pupils in the hall now is 26.
The correct answer is option 'D'.
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There are 3 groups of pupils in the hall. There are 7 pupils in each group. After five minutes later, 5 more pupils walk into the hall and join them. How many pupils are there in the hall now?a)21b)15c)16d)26Correct answer is option 'D'. Can you explain this answer?
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