In a school, no of student in every standard are 10 multiple of standard total students in the school from 1 to 12 standard are
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Answer:780
Step-by-step explanation:
No of student in each grade=multiples of 10= 10*1,10*2,10*3……etc
Total students from grade 1 to 12=x
10+20+30+40+50+60+70+80+90+100+110+
120=x
780=x
Therefore, total number of student from grade 1 to 12 is 780.
Hope it helps……
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