7 people meet and shake hands with one another, how many
handshakes occur?

Answer Posted / anuj

E(n-1) ie sum of n-1
for n=2 E1=1
n=3 E2=2+1=3
n=4 3+2+1=6

so for n=7 no of hand shakes will be E6=6+5+4+3+2+1=21

Is This Answer Correct ?    21 Yes 2 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

my parents resides in us and i have no reason to say why i will come back plz tell me what answer i will give as my interview is on 20 july

1472


what do the resistors in oscillators

1558


what an interviewer wants to see in the candidate.

1560


I'M PURSUING MY SECOND YEAR B.TECH .I HAVE GOT SELECTED FOR THE SBI CLERICAL POST AND I'M GOING TO ATTEND THE PERSONNEL INTERVIEW.DO YOU THINK IT IS ADVISABLE TO TAKE UP THE JOB OR CONTINUE MY STUDIES OR THERE IS ANY OTHER ALTERNATIVES.HELP ME OUT PLEASEEEEEEEEEEEEEEEEEE

1529


hi! friends. kindly tell me when the rrb goodgurds exam will allow and plz send me the question type and ans related with this exam.

1469






Bhagwan budh got enlightment under the tree of Banyan (But briksh)then why there are a peepal tree in Bodh Gaya as a Bodhibriksh?

1891


HELLO FRIENDS,I AM ABHAY KUMAR IM HISTORY HON AND I HAVE QUALIFIED IBPS PO EXAM .CAN U SUGGEST ME WHAT KIND OF QUESTION CAN ASK IN INTERVIEW ??

1781


I'm a 2016 passed out B.E student from Tamilnadu.nearly 2 years.. I don't have any proper working experience.. during my interview I told to HR that "I'm a fresher n hv no work experience". He asked me the reason for that 2 years gap...how to answer this question properly .. kindly help me friends...

980


Order Management Questions on the Oracle applications. ================================================= A)Explain the basic flow of Order Management Regular Sales order cycle. B)Explain the difference between the pick release and Ship Confirm process. c)Explain the Credit Check functionality. d)Explain the Ship Confirm Rule e)Explain how the price can be given to an item. f)Explain how can we Generate an invoice once we booked the order for a shippable item. g)Explain the Pricing Entities 1)Modifiers 2)Qualifiers. h)If the Ship Confirm button is Greyed out from the Shipping Transactions form what could be the reason. i)Explain the KFF’s in Order management Inventory a)Explain types of move orders b)Explain the Planning Methods c)Explain the Difference between Purchasable and purchased attributes. d)Explain KFF’s In Oracle inventory. e)Explain the Lead times concept. f)What is cumulative lead time and Cummulative Mfg Lead time. g)Explain Standard Costing and Average Costing. h)How can the Lead times be setup in the Item Master. i)Explain how many levels of reservation can be done. Purchasing a)Explain the document types. b)Explain the KFF’s in Purchasing. c)Explain the balancing segment. d)Explain the returns on Purchase order concept. e)Explain the attributes used for the purchasing.

2395


how to print the most continuously repeated character in a string?

1561


I have a question, I'd like to know what does "roc" means? E.g. in Beyonce's song : Roc. She is singing: You are my roc, I love to roc with you and it's not a rock. Help me...

1471


what is mean by domain interms of software ? can you expain in specific in terms of web based , networking all those ?how to choose the domain for doing a project in software feild ?

1445


i am B.E Civil engineer 2 year exp in construction i want to job in singapore so pls tell me any best and trust oversea consultancy in chennai plzs help me

1296


What is the salary in railway in group c with grade pay 2400?

1225


In an Interview when asked me that tell me about yours self, then what is the step by the answer?

1569