For 15 people--each has to pay Rs 20 For 20 people--each has to pay Rs 18 For 40 people--how much

10 Rs.
15--20
20--18
For difference of 5 people 2 Rs. is less,
so for difference of (40-15) i.e. 25 people 25*2/5=10 Rs. less
Each has to pay 10 Rs.
10 years agoHelpfull: Yes(37) No(1)
for increase in 5 people there is a 2 rs decrease.
so,for increase in (40-20=)20 people there is a 8 rs decrease.
each must pay 10rs
10 years agoHelpfull: Yes(2) No(1)
For 15 people, rs. paid =20
For 20 people, =18
For 25 people, =16
For 30 people, =14
For 35 people, =12
So, for 40 people, =10 Ans.
10 years agoHelpfull: Yes(2) No(1)
or 15 people = Rs.300
i.e 15*20 = 300
for 20 people = Rs.360
i.e 20*18 =360
increase in 5 people => Rs 60
for 1 = 60/5 =12
for 20 = 12* 20 = 240
so for 40 people = 360 + 240
= 600
one person has to pay =Rs. 15
i.e 600/40 = 15
8 years agoHelpfull: Yes(2) No(1)
for every decrement in 2rs,,there is increase in 5 members
so ans is "10"
10 years agoHelpfull: Yes(1) No(1)
for 15ppl each pay 20/- and for 20ppl each pay 18 that means for increase of 5 ppl there is 2/- decrease.so, for 40 ppl each have to pay 10/-
10 years agoHelpfull: Yes(1) No(0)
For 15 people, rs. paid =20
For 20 people, =18
For 25 people, =16
For 30 people, =14
For 35 people, =12
So, for 40 people, =10 Ans.
10 years agoHelpfull: Yes(1) No(1)

For 15 people--each has to pay Rs.20.For 20 people--each has to pay Rs.18. For 40 people--how much has each to pay?