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Find out the Number of Wrong Answers given by Candidate
In an exam each correct answers score 5 marks and each wrong answers reduces 2 marks. A candidate got 24 marks by answering 12 questions correctly. If he attempted all the questions, how many answers were wrong?
(Provide the detailed steps also)
Options:
a) 12
b) 18
c) 14
d) 20 -
Low temperature at the night in a city is 1/3 more than 1/2 hinge as higher temperature in a day. Sum of the low temp and high temp is 100 c. then what is the low temp.
40 centigrade
sanjeev.ratn
- Feb 25th, 2008
Let x be the low temp at night..and y be the high temp..in dayfrom the given condition1/2(x)=1/3(y)=:3x=2y----------------------(2)and also given thatx+y=100-------------------(1)from equation 1 and 2 we get. the answer..x=40,so,low temperature is 40 c
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Three companies are working independently and receiving the savings 20%, 30%, 40%. If the companies work combinely, what will be their net savings? If Anybody know the ans pls give the ans with explanation
RAVISH RANJAN
- Sep 14th, 2014
Let total income =100.
so saving of three companies are 20%*100+30%*100+40%*100=90.
so % saving =(90/300)*100 -
What is the output of the following C program?Main(){Printf("%c","abcdefgh"[4]);}
Avatik
- Oct 29th, 2023
A=0,b=1,c=2,d=3,e=4,f=5,g=6,h=7 ;
So,4 is e
Ans=emaddy27
- Apr 2nd, 2010
The answer is "e" because the value "abcdefgh" will get one index for each letter as:a=0b=1c=2d=3e=4f=5g=6h=7And since %c is written in question der4 only one letter will be our answer... and is "e" coz its index is 4.
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One fast typist type some matter in 2hr and another slow typist type the same matter in 3hr. If both do combinely in how much time they will finish.
1hr 12min
isha verma
- Nov 23rd, 2010
It is a time and work problemhere1/no of hours of fast typist+1/no of hours of slow typist=1/total no of hours1/2+1/3=5/6so total no of hours=6/5=1.2=1 hour 12 mins
anil kumar
- Aug 16th, 2007
Can you please explain how to you formulate this formula??
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A work is done by the people in 24 min. One of them can do this work alone in 40 min. How much time required to do the same work for the second person
60min
pritiyadav.537
- Oct 10th, 2010
60 min. Suppose the amount of work to be done is x. And two people are A and B. If A in 40 min can do x work. then A in 24 min will do 24x/40 work(Unitary method). the work done by B in 24 min i...
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In a mixture R is 2 parts, S is 1 part in order to make S to 25% of the mixture, how much R is to be added
½ part of R
santosh
- Sep 29th, 2007
Initial r=2s=1%s=(1/3)100=33.3%r=66.6to make %s=25,33.3-25=8.3 reduce%r=66.6+8.3=74.9=7575=(x)100=>x=75/100=3/4it means it is 3rd part of 4=>1 part is added
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Complete the series. 4, -5, 11, -14, 22, ---
kiransai
- Sep 13th, 2014
Alternate series of odd numbers with change of signs
4-11=7==-7
-5+14=9
11-22=-11==11
-14-13===-27Likhitha
- Jul 27th, 2014
4+(-5)=-1
11+(-14)=-3
so it iis having a sequence of odd numbers.In the next sequence we should have"-5" because after the sequence of odd -1 & -3 we have -5.
to get it 22+x=-5
x=-27
simple!!!!! -
Running around circular stadium
A, B and C start at the same direction to run around a circular stadium. A completes a round in 252 sec, B in 308 sec and C in 198 sec, all starting at the same point. After what time will they meet again at the starting point?a)26min 18sec b)42min 36sec c)45min d)46min 12 sec
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Exact Time
A clock was set right at 5 am then it loses 16 minutes every day, on the 4th day when it shows 10 am, What is the exact time?
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Time to Reach A from C
Ram travels by car from city A to city B heading towards north in 4 hours. From there he travels west to City C in 3 hours. Say his average speed is same during both the courses. Now from C he travels back to A in shortest path possible. How much time he would had taken to reach A from C.
kiransai
- Sep 13th, 2014
I think as per Pythagoras theorem the answer would be 5hrs
As from a to b==4 ,b to c==3 so a to c==sqrt(4+3)==5RAJALAKSHMI
- Feb 21st, 2013
5 HRS
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Boys in a Row
Some boys are standing in a row, Suresh is 10th from right and Amar is seventh from left. If there are five boys in between Suresh and Amar, How many boys are there in the row?
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The Candle Puzzle
You hve been given 2 Candles which can burn upto 60 min each.With the help of them how will you calculate time upto 90 min.(You haven't been provided with any measuring tape or anything)
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Amount Distribution Ratio
If one amount is distributed among 3 people A:B:C in this way 20:14:10 and B gets 28 rupees more that c then what will be the amount given to A and what will be the total amount?
Aptitude Interview Questions
Ans