Explore topic-wise MCQs in Aptitude.

This section includes 285 Mcqs, each offering curated multiple-choice questions to sharpen your Aptitude knowledge and support exam preparation. Choose a topic below to get started.

151.

The number nearest to 10000, which is exactly divisible by each of 3, 4, 5, 6, 7 and 8, is :

A. 9240
B. 10080
C. 9996
D. 10000
Answer» C. 9996
152.

L.C.M. of
2
,
4
,
5
is
3 9 6

A. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>8</center></td></tr><td align="center">27</td></table>
B. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>20</center></td></tr><td align="center">3</td></table>
C. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>10</center></td></tr><td align="center">3</td></table>
D.
E. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>20</center></td></tr><td align="center">27</td></table>
Answer» C. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>10</center></td></tr><td align="center">3</td></table>
153.

The greatest number of four digits which when divided by 3, 5, 7, 9 leave remainders 1, 3, 5, 7 respectively is :

A. 9763
B. 9764
C. 9766
D. 9765
Answer» B. 9764
154.

Three bells ring simultaneously at 11a.m. They ring at regular intervals of 20 minutes, 30 minutes, 40 minutes respectively. The time when all the three ring together next is

A. 2 p.m.
B. 1 p.m.
C. 1.15 p.m.
D. 1.30 p.m.
Answer» C. 1.15 p.m.
155.

Four bells ring at the intervals of 5, 6, 8 and 9 seconds. All the bells ring simultaneously at some time. They will again ring simultaneously after

A. 6 minutes
B. 12 minutes
C. 18 minutes
D. 24 minutes
Answer» B. 12 minutes
156.

4 bells ring at intervals of 30 minutes, 1 hour, 1

A. 12 mid night
B. 3 a.m.
C. 6 a.m.
D. 9 a.m.
Answer» E.
157.

Four bells ring at intervals of 4, 6, 8 and 14 seconds. They start ringing simultaneously at 12.00 O clock. At what time will they again ring simultaneously ?

A. 12 hrs. 2 min. 48 sec.
B. 12 hrs. 3 min.
C. 12 hrs. 3 min. 20 sec.
D. 12 hrs. 3 min. 44 sec.
Answer» B. 12 hrs. 3 min.
158.

Four runners started running simultaneously from a point on a circular track. They took 200 seconds, 300 seconds, 360 seconds and 450 seconds to complete one round. After how much time do they meet at the starting point for the first time ?

A. 1800 seconds
B. 3600 seconds
C. 2400 seconds
D. 4800 seconds
Answer» B. 3600 seconds
159.

From a point on a circular track 5 km long A, B and C started running in the same direction at the same time with speed of 2

A. 30 hours
B. 6 hours
C. 10 hours
D. 15 hours
Answer» D. 15 hours
160.

The traffic lights at three different road crossings change after 24 seconds, 36 seconds and 54 seconds respectively. If they all change simultaneously at 10 : 15 : 00 AM, then at what time will they again change simultaneously?

A. 10 : 16 : 54 AM
B. 10 : 18 : 36 AM
C. 10 : 17 : 02 AM
D. 10 : 22 : 12 AM
Answer» C. 10 : 17 : 02 AM
161.

The smallest number, which, when divided by 12 or 10 or 8, leaves remainder 6 in each case, is

A. 246
B. 186
C. 126
D. 66
Answer» D. 66
162.

When a number is divided by 15, 20 or 35, each time the remainder is 8. Then the smallest number is

A. 428
B. 427
C. 328
D. 338
Answer» B. 427
163.

The greatest number of four digits which when divided by 12, 16 and 24 leave remainders 2, 6 and 14 respectively is

A. 9974
B. 9970
C. 9807
D. 9998
Answer» B. 9970
164.

The least number which when divided by 5, 6, 7 and 8 leaves a remainder 3, but when divided by 9 leaves no remainder is

A. 1677
B. 1683
C. 2523
D. 3363
Answer» C. 2523
165.

The least number, which when divided by 18, 27 and 36 separately leaves remainders 5,14, and 23 respectively, is

A. 95
B. 113
C. 149
D. 77
Answer» B. 113
166.

The smallest number, which when divided by 5, 10, 12 and 15, leaves remainder 2 in each case; but when divided by 7 leaves no remainder, is

A. 189
B. 182
C. 175
D. 91
Answer» C. 175
167.

The largest number of five digits which, when divided by 16, 24, 30, or 36 leaves the same remainder 10 in each case, is :

A. 99279
B. 99370
C. 99269
D. 99350
Answer» C. 99269
168.

The least multiple of 7, which leaves the remainder 4, when divided by any of 6, 9, 15 and 18, is

A. 76
B. 94
C. 184
D. 364
Answer» E.
169.

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 ?

A. 312
B. 962
C. 1562
D. 1586
Answer» C. 1562
170.

What is the smallest number which leaves remainder 3 when divided by any of the numbers 5, 6 or 8 but leaves no remainder when it is divided by 9 ?

A. 123
B. 603
C. 723
D. 243
Answer» E.
171.

A number which when divided by 10 leaves a remainder of 9, when divided by 9 leaves a remainder of 8, and when divided by 8 leaves a remainder of 7, is :

A. 1539
B. 539
C. 359
D. 1359
Answer» D. 1359
172.

The smallest number, which when divided by 12 and 16 leaves remainder 5 and 9 respectively, is :

A. 55
B. 41
C. 39
D. 29
Answer» C. 39
173.

The least number which when divided by 4, 6, 8 and 9 leave zero remainder in each case and when divided by 13 leaves a remainder of 7 is :

A. 144
B. 72
C. 36
D. 85
Answer» C. 36
174.

If the students of a class can be grouped exactly into 6 or 8 or 10, then the minimum number of students in the class must be

A. 60
B. 120
C. 180
D. 240
Answer» C. 180
175.

The smallest square number divisible by 10, 16 and 24 is

A. 900
B. 1600
C. 2500
D. 3600
Answer» E.
176.

Which is the least number which when doubled will be exactly divisible by 12, 18, 21 and 30 ?

A. 2520
B. 1260
C. 630
D. 196
Answer» D. 196
177.

Three runners running around a circular track can complete one revolution in 2, 4 and 5.5 respectively. When will they meet at starting point ?

A. 40 h
B. 44 h
C. 20 h
D. 22 h
Answer» C. 20 h
178.

Find the two numbers whose L.C.M. is 1188 and H.C.F. is 9 ?

A. 27, 396
B. 9, 27
C. 36,99
D. Data inadequate
Answer» B. 9, 27
179.

The Sum of two number is 1215 and their H.C.F is 81, how many pairs of such number can be formed ? Find them ?

A. 1
B. 2
C. 3
D. 4
Answer» E.
180.

The product of two number is 7168 and their H.C.F. is 16. find the sum of all possible numbers ?

A. 640
B. 860
C. 460
D. Data inadequate
Answer» B. 860
181.

In a school 391 boys and 323 girls have been divided into the largest possible equal classes. So that there are equal number of boys and girls in each class. What is the number of classes ?

A. 23 girls classes, 19 boys classes
B. 23 boys classes, 19 girls classes
C. 17 boys classes, 23 girls classes
D. 23 boys classes, 17 girls classes
Answer» C. 17 boys classes, 23 girls classes
182.

Let the least number of six digits which when divided by 4, 6, 10, 15 leaves in each case same remainder 2 be N. The sum of digits in N is :

A. 3
B. 5
C. 4
D. 6
Answer» C. 4
183.

The least number, which when divided by 4, 5 and 6 leaves remainder 1, 2 and 3 respectively, is

A. 57
B. 59
C. 61
D. 63
Answer» B. 59
184.

The least perfect square, which is divisible by each of 21, 36 and 66 is

A. 214344
B. 214434
C. 213444
D. 231444
Answer» D. 231444
185.

A, B, C start running at the same time and at the same point in the same direction in a circular stadium. 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. 26 minutes 18 seconds
B. 42 minutes 36 seconds
C. 45 minutes
D. 46 minutes 12 seconds
Answer» E.
186.

Find the greatest number of five digits which when divided by 3, 5, 8, 12 have 2 as remainder :

A. 99999
B. 99958
C. 99960
D. 99962
Answer» E.
187.

The least number, which when divided by 12, 15, 20 or 54 leaves a remainder of 4 in each case, is :

A. 450
B. 454
C. 540
D. 544
Answer» E.
188.

The least number which when divided by 4, 6, 8, 12 and 16 leaves a remainder of 2 in each case is :

A. 46
B. 48
C. 50
D. 56
Answer» D. 56
189.

The H.C.F. and L.C.M. of two numbers are 44 and 264 respectively. If the first number is divided by 2, the quotient is 44. The other number is

A. 147
B. 528
C. 132
D. 264
Answer» D. 264
190.

21 mangoes trees, 42 apples trees and 56 oranges trees have to be planted in rows such that each row contains the same number of trees one variety only. Minimum number of rows in which the above trees may be planted is ?

A. 15
B. 17
C. 3
D. 20
Answer» C. 3
191.

The L.C.M. of three different numbers is 120. Which of the following cannot be their H.C.F.?

A. 8
B. 12
C. 24
D. 35
Answer» E.
192.

Five bells begin to toll together and toll respectively at intervals of 6, 7, 8, 9 and 12 seconds. How many times they will toll together in one hour , excluding the one at the start ?

A. 3
B. 5
C. 7
D. 9
Answer» D. 9
193.

The HCF of two numbers is 23 and the other two factors of their LCM are 13 and 14. The larger of the two numbers is :

A. 276
B. 299
C. 345
D. 322
Answer» F.
194.

Three different containers contain different qualities of mixtures of milk and water, whose measurement are 403 kg, 434 kg and 465 kg. What biggest measure must be there to measure all the different qualities exactly ?

A. 1 kg
B. 7 kg
C. 31 kg
D. 41 kg
Answer» B. 7 kg
195.

The H.C.F. of two numbers is 8. Which one of the following can never be their L.C.M.?

A. 24
B. 48
C. 56
D. 60
Answer» E.
196.

Three pieces of timber 42 m, 49 m and 63 m long have to be divided into planks of the same length, What is the greatest possible length of each plank ?

A. 7 m
B. 14 m
C. 42 m
D. 63 m
Answer» B. 14 m
197.

The HCF and LCM of two numbers are 13 and 455 respectively. If one of the number lies between 75 and 125, then, that number is :

A. 78
B. 91
C. 104
D. 117
Answer» C. 104
198.

Product of two coprime numbers is 117. Then, their LCM is

A. 9
B. 13
C. 39
D. 117
Answer» E.
199.

The HCF and LCM of two numbers are 13 and 1989, respectively. If one of the numbers is 117, then determine the other

A. 121
B. 131
C. 221
D. 231
Answer» D. 231
200.

The LCM of two numbers is 2376 while their HCF is 33. If one of the number is 297, then the other number is

A. 216
B. 264
C. 642
D. 792
Answer» C. 642