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

Answers were Sorted based on User's Feedback



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

Answer / pooja

10 rs for 40 as 2 rs decrease from 20 to 15 ppl decrementing two nd incrementing ppl number by 5

Is This Answer Correct ?    13 Yes 4 No

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

Answer / neethu

15*20 = 300
20*18 = 360
so for 5 people 60Rs is increased, so for 40 people total
amount is 600. And each one want to pay 15Rs

Is This Answer Correct ?    6 Yes 0 No

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

Answer / ritesh

for 15 people they are paying 15*20=300
for 20 they are paying 20*18=360
So for 5 people 60rs extre they are paying
for each person 60/5=12


for 40 perple they will pay 300 + (40-15)*12
300+ 300=600

soo per person 600/40=15

Is This Answer Correct ?    4 Yes 0 No

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

Answer / deiva

Answer is Rs 16 each

Explanation:
For 15 members = Rs 20 each
For 20 members = Rs 18 each
4/3 of the members increased = 1/10 of the amount decreased
For 40 members = ?
8/3 of the members increased = 2/10 of the amount decreased
For 40 members = Rs 16 each

Is This Answer Correct ?    2 Yes 0 No

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

Answer / rusty

15 - 20/-(each)
20 - 18/-(each)
25 - 16/-(each)
30 - 14/-(each)
35 - 12/-(each)
40 -> 10/-(each)
total => 40 * 10 => 400/-

Is This Answer Correct ?    1 Yes 0 No

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

Answer / akanksha n bhagyshree

40=10rs
therefore 40*10=400

Is This Answer Correct ?    0 Yes 0 No

Post New Answer

More Puzzles Interview Questions

A man loses 20% of his money and after spending 70% of the remainder he is left with Rs. 270. Originally he had

15 Answers   HZL, Times Today, Vedanta, Zoho,


There are 3 ants at 3 corners of a triangle, they randomly start moving towards another corner. What is the probability that they don't collide?

5 Answers   Bosch, IBM,


A rich old Arab has three sons. When he died, he willed his 17 camels to the sons, to be divided as follows: First Son to get 1/2 of the camels Second Son to get 1/3rd of the camels Third Son to get 1/9th of the camels. The sons are sitting there trying to figure out how this can possibly be done, when a very old wise man goes riding by. They stop him and ask him to help them solve their problem. Without hesitation he divides the camels properly and continues riding on his way. How did he do it?

2 Answers  


A man is stranded on a desert island. All he has to drink is a 20oz bottle of sprite. To conserve his drink he decides that on the first day he will drink one oz and the refill the bottle back up with water. On the 2nd day he will drink 2oz and refill the bottle. On the 3rd day he will drink 3oz and so on... By the time all the sprite is gone, how much water has he drunk?

3 Answers  


Assume that you have just heard of a scandal and you are the first one to know. You pass it on to four person in a matter of 30 minutes. Each of these four in turn passes it to four other persons in the next 30 minutes and so on. How long it will take for everybody in the World to get to know the scandal?

3 Answers  






Four persons A, B, C and D are playing cards.Each person has one card, laid down on the table below him, which has two different colours on either side. The colours visible on the table are Red, Green, Red and Blue. They see the color on the reverse side and give the following

4 Answers   HP, Infosys, TCS, Wipro,


16*2/7-8*4/3+17*3/7

19 Answers   State Bank Of India SBI, TCS,


In a kingdom far far away, the King decided that the time has come to find a husband for his princess daughter. The King wanted to find a worthy lad for his princess, so he promised to give his daughter away to the first young (or old) man who would solve the puzzle that has stumped the best of his court mathematicians for years. The puzzle is very simple: in a palace, there are 25 rooms arranged in a square--5 rows of rooms with 5 rooms in each row. In every room there is a light switch which not only switches on/off the light in that room, but also switches the lights in the adjacent rooms--the room to the right, to the left, the room above and the room below. Initially, all of the lights are turned off. The goal is to turn the lights on in every room of the palace.

22 Answers   Adobe,


How long would it take you to count 1 billion orally if you could count 200 every minute and were given a day off every four years?

5 Answers  


Replace each letter by a digit. Each letter must be represented by the same digit and no beginning letter of a word can be 0. O N E O N E O N E + O N E ------- T E N Use trial and error. 0 =1, N = 8 ,E = 2, T = 7 1 8 2 1 8 2 1 8 2 + 1 8 2 ------ 7 2 8 A man is on a search for Atlantis and comes upon an island where all the inhabitants know whether Atlantis is still around or not. However, all of the inhabitants are either Fairies or Trolls and they all use a spell to appear humanoid so you cannot tell which is which. And the Faries always tell the truth and the Trolls always lie, but there is a slight complication, some of the Fairies have gone insane and always lie and some of the Trolls have also gone insane and always tell the truth. So here is your task: you must ask the first inhabitant that you come to ONE question and from that ONE question you must determine wether Atlantis is still around or not. What is the question that you must ask?

1 Answers   Infosys,


Three members are hunting in a forest.While crossing a streem cartridges of two of them gets wetted up.Then the third person decides his cartidges equally. After 4 shots of each person, total cartridges remaining are equal to what each had initially after sharing.How many total cartridges they initially they shared?

0 Answers   Infosys,


If one person sends the e-mail to two friends, asking each of them to copy the mail and send it to two of their friends, those in turn send it to two of their friends and so on. How many e-mails would have been sent by the time it did 30 sets?

2 Answers  


Categories