maths answer key of cgl tier II exam held on 1 august 2010
- 8 Answers
- 11535 Views
- SSC, I also Faced
- E-Mail Answers
Answer Posted / prem prakash gupta
There was one question which many candidates have mistaken to understand :-
The sum of all the digits of the numbers from 1 to 100.
(A) 5050
(B) 903
(C) 901
(D) 900
Correct Ans. (C) 901
Many candidates have understood this question as to find the sum of numbers from 1 to 100 but they haven't noticed that the question is asking to find the sum of the "DIGITS" of the numbers from 1 to 100.
so when we count the digits 1 to 9, that how many times they are repeated in the numbers from 1 to 100....we find that 1 is repeated 21 times and the rest 2 to 9 are repeated 20 times each.Hence the correct answer will be :-
(21*1)+20(2+3+4+5+6+7+8+9)=21+20*44=21+880=901.
| Is This Answer Correct ? | 6 Yes | 2 No |
Post New Answer View All Answers
Has result of CGL Tier-II publish in employment news, if so in which issue.
how you organize a debate or arrange a seminar ??
why did you choose math stream in 12th ??
UNDER SSC CGL RULES PREVENTIVE OFFICER ,INSPECTOR CENTRAL EXISE (EXAMINER),DIVISIONAL ACCOUNTANT POSTS ARE TRANSFERABLE TO ALL OVER INDIA?...I WANT NON TRANSFERABLE JOB..& I WANT TO STAY IN KOLKATA..SO WHICH POST IS SUITABLE IN THIS CONDITION...PUJA MALLICK
I am preparing for SSC stenographer exam and learned shorthand. Could you pls tell me the job profile & nature of work in Indian foreign service stenographer cadre??
Pls explain me what is TI in Indian and police and how to become a TI and who is more superior police inspector or TI??
what will be the expected cutoff for selection for the group A post in ssc 2010. pls mention the numbers for tire 1 and tire 2 seperatly.
WHEN AND WHERE AUDITOR/JUNIOR ACCOUNT CONDUCTED BY SSC CGL 2008 WILL BE APPOINTED? WHAT IS THE APPROXIMATE ALARY IN TIME OF JOINING? WILL NOT THEY APPOINTED IN HOME STATE? PLSEASE ANSER IN MY E-MAIL gateway_cez@yahoo.in
sir i am selected for postal assistant exam but i am studying b.tech final year.If i will be selected for post is there any problem to my studies?
I am a tax assistant in cbec department. My junior has given dept.exam promotion for sr. Ta. But meanwhile our Adm.officer not sent our names for dept.exam. Now what happened if promtion they got.and we not got.
Which day is the International Human Rights DaY? (a) Dec 10th (b) Oct 24th (c) Nov 25th (d) None of the above
kindly reply sir wheather it is possible to get my posting in wb whereas my rank is 184 in india and 31 in wb in tax assistant in cbdt through cgle 2010.When may I expect offer letter?
How long does it takes for a TA in Income Tax to get his/her first promotion to STA ? Also, after STA how long will it take to become and ITI ? Are there any departmental exams through which promotions can be expedited sooner rather than just awaiting seniority ?
how you organize a trip of a group of friends who you have met during the ssb to a place for sight-seeing for 3-4 days?? what will you do if difference of opinion amongst friends about certain plans/programe ??
ssc lower division clerk promtions and carrier growth can u explain sir?
