Question

20 persons are to be awarded prizes so that every person get 2 rupees more than the previous person get .if the person gets ₹2, find the total amount spent on the prizes​

Answer 1

Answer:

420

Step-by-step explanation:

2+4+8+10+12+14+16+18+20+22+24+26+28+30+32+34+36+38+40=420....

hope it helps u mate....

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Answer 2

Answer:

x+2,x+4,.........

if x=₹2then

total amount =n÷2(2a+(n-1)d

if x=2

ap=2,4,6,8,10,.......40

sn=(a+l)n÷2

sn=(2+40)10

=₹420