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A school had 2 streams of from std 1 to 5 and a single stream from std 6 to 8. There were 35 pupils in each class. In one year the pupils were issued with exercise books as follows:
Std 1 to 3…..8 books per pupil
Std 4 to 5….10 books per pupil
Std 6 to 8……12 books per pupil
How many books altogether were issued to the pupils that year?
A. 1680
B. 2800
C. 4340
D. 5600