a sum of RS. 2000 is to be used to give 5 cash prizes to students of a school for their overall academic performance. if each prize is RS. 50 less than its preceding prize. find the value of each of the prize
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Answered by
1
Answer:
Sn
Step-by-step explanation:
Sn=n/2(2a+(n-1)d)
2000=5/2(2a+4)(-50))
3000=10a
a=300
Answered by
1
Answer:
Step-by-step explanation:
d= - 50
n= 5
S= 2000
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