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a group of friends goes for dinner and gets bill of Rs 2400
. Two of them says that they have forgotten their purse so
remaining make an extra contribution of Rs 100 to pay up
the bill. Tell the no. of person in that group
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Answer / g.p
Total bill-2400..2 persons won't pay..we had a hint about group is more than 2 persons and each person share rs100 of 2 that persons to make 2400. Let's go for next... 2400 is divisible by 2,3,4,6,8,10&12. 2&3 can't be So on the group consists of 4,6,8,10&12 members.
4-2=2, 2400-200=2200, 2200/2=1100.when it is 4 members batch 2 pay 1100+100..it is unbalanced equation.when it is 6 members batch 6-2=4, 2400-400=2000, 2000/4=500 it is also a unbalanced. Let's go to 8 members batch 8-2=6, 2400-600=1800, 1800/6=300.when we adding 300+100=400 so 400*8=2400 Now it is balanced.So total batch member is 8.
| Is This Answer Correct ? | 1 Yes | 0 No |
Answer / atul shelar
Obviously 8 personal,Bcs 2400/8=300 per head ,But 2 of them are incapable to pay so consider only 6 ,so 6*= 18 ,Thn each of 100 =2400and person8 ..so ans is 8
| Is This Answer Correct ? | 0 Yes | 0 No |
Answer / rak r
at first they have divided 2400 among themselves=2400/x
later 2 of them forgot their purse so those 2 persons amount should be shared by x-2 members that is what 100 is;
therefore (2400/((x)(x-2)))*2=100;
(x-8)(x+6)=0
therefore x=8
| Is This Answer Correct ? | 0 Yes | 0 No |
Answer / desingraja
14 may be correct
because,
14-2=12
12*100=1200
12*100=1200
total=2400
| Is This Answer Correct ? | 0 Yes | 1 No |
Answer / dharshnan
Y 6 person is wrong ans..
Totally 6 person
2 members minus
Totally 4
4*500-2000
Extra 100
4*100-400
2400
| Is This Answer Correct ? | 0 Yes | 2 No |
Answer / ashok
by trail & error meathod
300 300 300 300 300 300 300 300
(300+100) (300+100)(300+100)(300+100) (300+100) (300+100)
total=2400
ans 8 persons
| Is This Answer Correct ? | 3 Yes | 7 No |
Answer / guru
14 person
12×100=1200
For each extra 100=1200
1200+1200=2400
| Is This Answer Correct ? | 2 Yes | 6 No |
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