RADIAN IAS ACADEMY (A Hi-Tech Advanced Coaching cum Guidance Centre)
2014 GROUP-1/2/4/VAO
-1-
www.radianiasacademy.org
LCM & HCF, RATIO & PROPORTION, PERCENTAGE
MARCH - 2014
1) The sum of two numbers is 528 and their HCF is 33.
11) The maximum number of students among whom 2146
Then the number of pairs of such numbers satisfying
the above conditions is / இர எகள
த
pens and 2516 pencils can be distributed in such a
way that each student gets same number of pens and
pencils is
2146 ேபனா6கைள@1,
2516 ெப
சிகைள@1
528, அவ எகள
ம.ெப.வ 33. எதைன ேசா#
எக$ இைத% ேபால உ$ளன?
A) 3
B) 4
C) 5
D) 6
2) Two number are in the ratio 4:5 and their LCM is 180
the smallest number is
இர
எக$
4:5
எ
ற
வகிதி
உ$ளன.அைவகள
ம .சி.ம 180 சிறிய எ?
a) 9
b) 15
c) 36
d) 45
3) What is the greatest number which on dividing 260,
720 and 1410 leaves 7 as remainder in each case.
a) 17
b) 19
c) 23
d) 27
எ,த மிக%ெபrய எணா 260, 720 ம/01
1410’ஐ வ3தா அைனதி41 7 ம தியாக வ1.
4) What is the greatest number which on dividing 152,
277 and 427 leaves equal remainder?
a)17
b) 19
c) 25
d) 27
எ,த மிக% ெபrய எணா 152, 277 ம/01 427ஐ
வ3தா அைனதி41 ஒேர ம தி வ1?
5) How many possible pairs of numbers are there whose
HCF is 15 and their product is 5400? / இர
எகள
ம .ெப.வ 15 ம/01 அத
ெப6க/பல
5400, இைத% ேபா எதைன ேசா# எக$ உ$ளன.
a) 2
b) 3
c) 4
d) 5
6) Find the least square number which is divisible by 8,
15 and 24. / எ,த மிக7 சிறிய வ86க எைண 8, 15
ம/01 24 ம தியலாம வ3631.
a) 1600
b) 3600
c) 2304
d) 5184
7) The sum of two numbers is 36 and their HCF is 4.
Then the number of pairs of such numbers satisfying
the above conditions is / இர எகள
த
36, அவ எகள
ம.ெப.வ 4. எதைன ேசா#
எக$ இைத% ேபால உ$ளன?
a) 4
b) 3
c) 2
d) 1
8) The HCF of 1.75, 5.6 and 7 is
1.75, 5.6 ம/01 7
ம.ெப.வ
a) 0.07
b) 0.7
c) 3.5
d) 0.35
9) The largest number of four digits exactly divisible by
12, 15, 18 and 27 is / 12, 15, 18 ம/01 27 ஆ
வ3பட6
#ய
மிக%
ெபrய
நா
3
இல6க
எ
எ
ன?
a) 9720
b) 9721
c) 9722
d) 9999
10) 4 bells ring at intervals of 30 minutes, 1 hour ,1 ½ hrs
and 1 hour 45 minutes respectively. All the bells ring
simultaneously at 12 noon. When will they again ring
simultaneously?
4 மணக$ 30 நி, 1 மண, 1 ½ மண ம/01 1 மண
45 நிமிட இைடெவளய ஒலி6கி
றன அைன>
மணக?1,
நபக
12
மண63
ஒ
றாக
ஒலி6கி
றன அைன>1 தி1ப எ%ேபா> ஒ
றாக
ஒலி631?
a) 12 Midnight
b) 3 AM
c) 6 AM
d) 9 AM
அதிகபAச1
எதைன
எண6ைகய
மாணவ8க?63
சம
ேபனா6கைள@1,
சம
எண6ைகய ெப
சிகைள@1 தரலா1.
A) 37
B) 74
C) 112
D) 224
12) The greatest number of four digits which when divided
by 3, 5, 7, 9 leaves remainders 1, 3, 5, 7 respectively is
எ,த மிக%ெபrய நா
3 இல6க எைண 3, 5, 7, 9
ஆ வ36க ம திக$ Bைறேய 1, 3, 5, 7 வ1?
A) 9763
B) 9764
C) 9766
D) 9765
13) LCM and HCF of 12/35, 16/25 and 18/75 is
A) 144/5 & 4/175
B) 144/15 & 4/175
C) 144/5 & 2/525
D) 144/5 & 2/175
14) A, B, C start running at the same time and at the same
time and in the same direction in a circular track. A
completes a round in 252 seconds, B in 308 seconds
and C in 198 seconds. After what time will they meet
again at the starting point?
A, B, C C
0 ேப8 ஒ வAட% பாைதய ஒேர
இடதிலி,>,
ெதாட87சியாக
252
ஒேர
ேநரதி,
ஒகி
றன8.
வனா#க?1,
ஒேர
திைசய
A ஒ D/0 B#6க
B ஒ
D/0
வனா#க?1, C ஒ D/0 B#6க
308
B#6க
198 வனா#க?1
எ>6 ெகா$கி
றன8.
A) 26 minutes 18 seconds B) 42 minutes 36 secinds
C) 45 minutes
D) 46 minutes 12 seconds
15) What is the least number which when divided by the
numbers 3, 5, 6, 8, 10 and 12 leaves in each case a
remainder 2 but when divided by 13 leaves no
remainder?
எ,த மிக7 சிறிய எைண 3, 5, 6, 8, 10 ம/01
12ஆ வ36க ஒேர ம தியாக 21 ஆனா 13ஆ
வ3தா ம தி வரா>?
A) 312
B) 962
C) 1512
D) 1586
16) The retail price of a commodity decreased from Rs.16
Per Kg to
Rs.14 per kg. Find the percentage
decrease.
ஒ ெபாள
சிலைற வைல H.16 லி,> H
14 ஆக 3ைரகிற>. எவளI சதவத1
J
3ைற,>$ள>.
2
a) 14 % b) 12.5%
c) 20% d) 33 1/3%
7
17) The price of LPG is increased by 20% How much
percentage its consumption must be reduced so as not
to increase the expenditure?
சைமய வா@வ
வைல 20% உய8த%பAடா
அத
ெசலI
ெதாைகைய
உய8தாம
எதைன
சதவத1
J
அத
உபேபாகைத6 3ைற6க ேவ1
a)20%
b) 16 2/3%
c) 25%
d) 33 1/3%
18) The price of tomato decreases by 50% how much
percent must its consumption be increased so as not
to decrease the expenditure?
த6காளய
வைல 50% 3ைற,தா த6காள63
எ%ேபா>
ஆ31
ெசலைவ6
3ைற6காம
அத
உபேயாகைத எதைன சதவத1
J
அதிகr6கலா1?.
a) 331/3% b) 50%
711 EVR Road, Opp. Anna Arch, NSK Nagar, Arumbakkam, CHENNAI-106.
E-mail: [email protected]
c) 75%
d) 100%
Ph: 98404-00825, 98404-33955
RADIAN IAS ACADEMY (A Hi-Tech Advanced Coaching cum Guidance Centre)
-2www.radianiasacademy.org
19) As earning is 20% less than C’s. B’s earning is 20%
26) A basket Contains 50P, 1 Rs and 2 Rs. Coins inthe
more than C’s What percent is A’s earning of B’s?
A’
C’
20%
B’
C’
20%
.
A’
B’
?
a) 44%
b) 66 2/3%
c) 331/3%
d) 40%
20) The price of an article is reduced by Successive
discounts of 10% and 15% find the net Percentage
decrease in Price.
10%
.
15%
?
a) 25%
b) 20.5%
c) 22.5%
d) 23.5%
21) In an examination, 25% students failed in English and
15% failed in Tamil. If 65% passed in both the subjects
then how many percentage of students failed in both
subjects
25%
, 15%
, 65%
ratio 2:4:1 total value Rs 105. What is the number of 2
rupees coins in the basket
50
1
2
2:4:1
.
105
?
2
a) 30
b) 60
c)25
d) 15
27) If a sum of money is to be divided among A,B,C such
that A’s share is equal to twice B’s share and B’s share
is 4 times C’s share then their shares are in the ratio
A,B
C
A,
B
B
C
4
A,B
C
?
a) 1:2:4
b) 1:4:1
c) 8:4:1
d) 2:4:1
28) Alcohol and Water respectively in the ratio of 2:1, 3:1
and 3:5 in the 3 equal capacity Containers. If these
three containers are emptied into a large container,
then what will be the ratio of Alcohol and water in the
big container?
,
2:1,
?
a) 0%
b) 5%
c) 10%
d) 15%
22) In an election between two candidates one got 52% of
total valid Votes, 25% of the total votes were invalid
The total number of votes were 8400 How many valid
votes did the other person. get?
52%
.
25%
.
3:1
3:5
.
?
a) 33:29
b) 43:29
c) 13:19
d) None
29) If A:B = 2:3 , B:C = 4:5 and C:D = 6:7, then A:D = ?
a) 16:35
b) 24:25
c) 12:35
d) 24:35
30) The following Pie- Chart shows the marks obtained by
a student in an examination who scored 720 marks in
all. Study the diagram and answer the questions.
8400.
720
.
a) 3276
b) 3196
c) 3100
d) 3024
.
23) A student has to secure minimum35% marks to pass in
an examination. If he gets 46 marks and fails by 10
marks, then the maximum marks is
35%
46
10
.
?
a) 250
b) 140
c) 150
d) 160
24) If the radius of a circle is increased by 4 times, what
will be the percentage increase in its area?
4
?
a) 400%
b) 800%
c) 1500%
d) 2400%
25) Selling price 10 articles is equal to cost price of 12
articles . Find profit (or) loss Percentage.
10
12
,
?
a) 16 2/7%
b) 20%
c) 25%
d) 33 1/3 %
The subject in which the student Scored 16 2/3% of
his total Score is
16 2/3%
a) English b) Science
c) Maths
ALL THE VERY BEST
d) Tamil