| Students | Number of bookmarks made |
| Namita |  |
| Vinod |  |
| Rahul |  |
| Sona |  |
Each  represents 3 bookmarks | |
A) 8
B) 10
C) 6
D) 4
Correct Answer: C
Solution :
Number of bookmarks made by Sona \[=7\times 3=21\] Number of bookmarks made by Vinod \[=\text{ }6\times 3=18\] \[\therefore \]Number of bookmarks made by Sona and Vinod together \[=21+18=39\] Now, number of bookmarks made by Namita \[=11\times 3=33\] \[\therefore \] Required difference \[=39-33=6.\] So, Namita made 6 less bookmarks than Sona and Vinod together.
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