nicl ao preparation - quantitative aptitude (day 3)
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Try to solve the below problems in Quantitative Aptitude in twenty minutes. Those who solved all theproblems, kindly help the others. Please use the Disqus Section effectively.
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NICL AO Preparation – Quantitative Aptitude (Day 3)Mar 23, 2015NICL AO Preparation Daily Aptitude
Find the Wrong number in each of the Following Series
1. 13, 25, 40, 57, 79, 103, 130
a) 25 b) 40 c) 57 d) 79 e) NOTA
2. 850, 600, 550, 500, 475, 462.5, 456.25
a) 600 b) 550 c) 500 d) 462.5 e) NOTA
3. 2, 10, 18, 54, 162, 486, 1458
a) 18 b) 54 c) 162 d) 10 e) NOTA
4. 1/8 part of a beautiful Pen is Black and 1/2 part of the remaining is white. If the remaining part is blue andthe length of this blue part is 3.5 cm. Find the length of the pen.
a) 6 cm b) 7 cm c) 8 cm d) 9 cm e) NOTA
5. The least number which is a perfect square and has 7936 as one of its factors is equal to
a) 12.008 b) 246016 c) 61504 d) 240616 e) NOTA
6. Narendran gets 3 marks for each correct sum and loses 2 marks for each wrong sum. He attempts 30 sumsand obtain 40 marks. The number of sums solved correctly is
a) 25 b) 10 c) 15 d) 20
7. Madurai has a population of 136000 which is decreasing at the rate of 2400 per year. Chennai has apopulation of 84000 which is increasing at the rate of 1600 per year. In how many years will the population ofthese two cities become equal?
a) 15 b) 18 c) 13 d) 19 e) NOTA
APPROXIMATION
8. 85% of 225 + 32.91 x 5.01 = ?
a) 375 b) 340 c) 355 d) 345 d) 370
9. 36.0001 ÷ 5.999998 x √ ? = 108.0005
a) 18 b) 16 c) 256 d) 316 e) 325
10. √625.04 x 16.96 + 136.001 ÷ 17 = ?
a) 4.18 b) 4.41 c) 425 d) 433 e) NOTA
11. Arun and Bala can do a piece of work in 9 days and 18 days respectively. As they were ill, they could do90% and 72% of their efficiency, respectively. How many days will they take to complete the work together?
a) 7 (1/7) b) 8 c) 5 d) 10 e) 12 (1/2) – (Mixed Fraction)
12. 2 Men and 1 Woman can do a piece of work in 14 days. While 4 Women and 2 Men can do the same work in8 days. If a man gets Rs 90 per day, what should be the wages per day of a Women?
a) 48 b) 60 c) 72 d) 135
13. Two taps A and B can fill a tank in 20 min and 30 min respectively. An outlet Pipe Q can empty the full tankin 15 mins. A, B, and Q are opened alternatively, each for 1 minute. How long will the tank take to be filled?
a) 105 min b) 120 min c) 167 min d) 185 min e) 198 min
14. A heavy loaded truck starts running with a inital speed of 40 Km/h with its speed increasing every hour by5 Km/h. How many hours will it take to cover a distance of 385 km?
a) 8.5 hr b) 9.5 hr c) 9 hr d) 7 hr
15. Train A crosses a pole in 25 s and Train B crosses the pole in 1 min 15 s. Length of Train A is half thelength of Train . What is the ratio between the speeds of the Trains A and B?
a) 3 : 2 b) 3 : 4 c) 4 : 3 d) Cant be determined e) NOTA
Kind Request : For those who solved the Problems, please explain the concept of at least one in the CommentSection. It ll benefit many. Thanks.
1 – C 6 – D 11 – A
2 – A 7 – C 12 – B
3 – D 8 – C 13 – C
4 – C 9 – E 14 – D
5 – D 10 – D 15 – A
52 Comments AffairsCloud satish kumar R
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• Reply •
love Me • 20 days ago
Hello guys am explaning simple solution for ques 7:From 136000 its decrng as 2400 pr yr nd from 84 its incring as 1600 pr yr..
Now take d diff b/w 136000 nd 84000Dts =52000
Nd add 2400 +1600 usng concept of relative speed
So we 52000/4000 = 13 3
• Reply •
shilpa sharma • 7 days ago> love Me
great logic.:P
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Related Posts:
1. NICL AO Preparation – Quantitative Aptitude (Day 2)2. NICL AO – Quantitative Aptitude (Day – 1)3. NICL AO Preparation – English (Day 1)4. NICL AO Preparation – Reasoning (Day – 2)5. NICL AO Preparation – English (Day 2)
ArunsathyanHey Friends. I am Arunsathyan, Alumini of SASTRA & SRM University. I worked in a MNCand quit my job in 2013 to focus on UPSC exams. During my preparation, the idea to starta website raised in my mind and we landed here. AffairsCloud.com is a website "by anaspirant; to the aspirants; for the aspirants". :-)
• Reply •
love Me • 7 days ago> shilpa sharma
Thanks frnd
• Reply •
kk • 12 days ago
any one explain 6 qus
• Reply •
anusha • 12 days ago
Sir plz provide 12 answer
• Reply •
Jagdeesh • 13 days ago
i think Ques:5 ans is B, ? as 246016 is prefect square and divisible by 7936 as well
• Reply •
ayisha thasneem • 13 days ago
anyone xplain 11th que plz
• Reply •
manisha sinha. • 17 days ago
Can nyone help me wid nicl ASSISTANT xam prep.Is the questn pattern.similar to dat of AO?plzhelp.
• Reply •
Prashant • 19 days ago
Please explain 13th question.
• Reply •
love Me • 20 days ago
I req admin to post pic to explain btr...
• Reply •
Adolf Hitler • 20 days ago
Please give the solution for 2,3 and 12
• Reply •
Praveena Rama • 20 days ago
can anyone please xplain last problem
• Reply •
neha • 20 days ago
plz explain qstn 1
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• Reply •
Gunja Kumargi • 20 days ago> neha
13+12=25,25+15=40,40+18=58,58+21=79.here in place of 57..der shld be 58..
• Reply •
neha • 20 days ago> Gunja Kumargi
aap 2 ka bata do 3 ho gaya
• Reply •
neha • 20 days ago> Gunja Kumargi
if u can then plz provide the soln of 2&3 also
• Reply •
Gunja Kumargi • 20 days ago> neha
in 2nd qst series is goin lyk dis...differences b/w series is 200,100,50,25...ndso on..in place of 600 der shld be 650...nd qstn no 3 each no is multiplying by 3...so in place of 10 der shld be 6..
• Reply •
neha • 20 days ago> Gunja Kumargi
yes 3 i hv got
• Reply •
Guest • 20 days ago> Gunja Kumargi
gunja pls explain 11
• Reply •
love Me • 20 days ago> Guest
First find wrkng effcny i.e 2 for a nd 1 for b.Now a wrkns 90% i.e 1.8 nd b wrkng 72% i.e .72Nd total work is comm factr of 9 nd 18 i.e 18No. Of days = 18÷(1.8+.72) = 7.14 i.e optsn num 1
• Reply •
shilpa sharma • 7 days ago> love Me
ye 9 or 18 ka comman factor kyu nikala
• Reply •
love Me • 7 days ago> shilpa sharma
Yar to find total work nd to avoid fraction in calculation
• Reply •
shilpa sharma • 7 days ago> love Me
oh i got it...thnk you..:)
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• Reply •
kk • 12 days ago> love Me
ek baar explain karo plz ye 3rd line..
Nd total work is comm factr of 9 nd 18 i.e 18No. Of days = 18÷(1.8+.72) = 7.14 i.e optsn num 1
• Reply •
neha • 20 days ago> Guest
plz explain qustn 5
• Reply •
Gunja Kumargi • 20 days ago> neha
for qstn no 5..we wil go by options...as in d qstn given find d least no...which isfactor of 7936 nd perfect square.we wil divde d no 240616 by 7936(given it isfactor of 7936)nd we get remainder as 2536 which is a perfect square...
• Reply •
Gunja Kumargi • 20 days ago
can u explain 7 nd 5 no qstn.i m unable to do it..
• Reply •
Dhanesh U • 20 days ago> Gunja Kumargi
1360002400X=84000+1600X52000=4000XX=13
1
• Reply •
Abinaya • 20 days ago> Gunja Kumargi
7th ques i m just using option.....
• Reply •
Guest • 20 days ago
barring number series and approximation ,,i would request the admin to provide detailed solutions ofrest questions
• Reply •
ப攀ர礀 • 21 days ago
1. c, 2. a, 3. d, 4. e, 6. d, 7. c, 11. c, 14. d, 15. a, 13 180 mins.. . Am i right friends.. . ?
• Reply •
Constantine Constantine • 21 days ago
15a,14d,13c,12b,11a,10d,9e,8c,4c,6d
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• Reply •
Abinaya • 20 days ago> Constantine Constantine
can u explain the ques no 14
• Reply •
Arunsathyan Ramamoorthy • 20 days agoMod > Abinaya
Hi..Here speed increases by 5 every hour. So a = 40; d = 5; S = 385. Use this formula. S = (n/2) (2a + (n1) d). Find n. (Arithmetic Progression)
1
• Reply •
Chandru • 20 days ago> Arunsathyan Ramamoorthy
pls provide methods to solve
• Reply •
Chandru • 20 days ago> Arunsathyan Ramamoorthy
7 qn I get 7(9/13)
• Reply •
Chandru • 20 days ago> Arunsathyan Ramamoorthy
exp q 7 sir
• Reply •
Abinaya • 20 days ago> Arunsathyan Ramamoorthy
sir explain 13th ques
• Reply •
Guest • 20 days ago> Abinaya
see radhika commnt,
• Reply •
Abinaya • 20 days ago> Guest
but i hav doubt..hw he calculate the Q Efficiency....
• Reply •
Praveena Rama • 19 days ago> Abinaya
how to calculate Q efficiency
• Reply •
Guest • 20 days ago> Guest
explain 11
Abinaya • 20 days ago> Guest
efficiency is always inversly proportional to days. so for 100% efficiency Adone his work in 9 days for 90% efficiency=9days * 100 = 90% * x days so weget 10 days..for bala we get 25 days ...aftr tat together 10 * 25 /(10 + 25)=50/7
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• Reply •
get 10 days..for bala we get 25 days ...aftr tat together 10 * 25 /(10 + 25)=50/7or 7(1/7)....
1
• Reply •
Guest • 20 days ago> Arunsathyan Ramamoorthy
explain 4
• Reply •
Abinaya • 20 days ago> Guest
total part s 8 1 part s black. remaining part is 7. so 1/2 of the 7 part white. sowhite s 3.5.remaing blue s 3.5.3.5cm3.5partx cm8partso answer s 8
2
• Reply •
Radhika • 21 days ago> Constantine Constantine
after finishing ur quiz, can u explain the method to solve 13th Q?
• Reply •
Constantine Constantine • 21 days ago> Radhika
a efficiency 3, b eff 2, nd q eff 4, means in 1 min a can fill 3ltr, b can fill 2 ltr nd q canempty the tank 4 ltr thts why i used sign now in first 3 min abq fill 1 ltr thts it the tankcapacity is 60 ltr so in 165 min, 55 ltr tank fill, nd in next 2 min 60 ltr so 167 is theanswer
1
• Reply •
Radhika • 21 days ago> Constantine Constantine
thank u.. 1
• Reply •
Praveena Rama • 19 days ago> Radhika
Can u pls xplain how to find efficiency of q pls
• Reply •
Nidhi CK Singh • 16 days ago> Constantine Constantine
if 1 lt in 3 mnt than 60 ltr in 180 mnt.pls explain concept of 167 mnt
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