WorksheetsNumbers 1 SSC
Total questions: 20
Worksheet time: 10mins
Which of the following is divisible by 11?
8787878
7777777
1234567
More than one of the above
Five bells toll at intervals of 5, 6, 10, 12 and
15 seconds respectively. If they toll together at the
same time, after how many seconds will they toll
together again, for the first time?
60
54
58
62
What should be the missing digit so that the number 275_476 becomes exactly divisible by 11?
3
5
7
9
The LCM of the fractions 1/5, 4/15 and 8/25 is how
many times their HCF?
100
110
120
105
Which of the following represents the sum of a
certain number of consecutive natural numbers
starting from 1?
1075
127
175
1275
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 (in seconds) for the first time?
1200
1800
1600
1400
When a number is successively divided by 6, 5 and
4, it leaves remainders of 4, 3 and 2 respectively.
Find the greatest such four-digit number.
9922
9912
9921
9972
A, B and C are digits and 64A3B6C is divisible by
360. How many values can (A, B) take?
8
10
9
5
If three numbers are in the ratio 3 : 4 : 5, and their
LCM is 480, then find the sum of the three numbers.
96
72
82
108
A number when divided by a certain divisor leaves a
remainder of 16. If twice the number is divided by the
same divisor, the remainder is 9. Find the divisor.
32
23
52
25
What is the least natural number which when
divided by 18 and 24 leaves remainders of 11 and
17 respectively?
65
62
63
64
A perfect square having its last 2 digits equal can
have each of those digits equal to _______.
1
4
5
6
Which of the following is a prime number?
851
589
429
307
What is the least natural number which when divided by 18 and 24 leaves remainders of 11 and 17 respectively?
65
75
85
95
Find the sum of all the factors of 5400.
19400
18600
16200
17400
The difference between the LCM and HCF of two natural numbers a and b is 57. What is the minimum value of a + b?
18
22
27
29
When a number is successively divided by 6, 5 and 4, it leaves remainders of 4, 3 and 2 respectively. Find the greatest such four-digit number.
9922
9972
9962
9982
Find the greatest number which divides 971 leaving a remainder 3 and divides 852 leaving a remainder 5.
121
142
131
161
What is the largest three-digit number which when divided by 9 leaves a remainder 6 and when divided by 7 leaves a remainder 5?
978
998
988
992
What is the index of the greatest power (IGP) of 3 that exactly divides 100!?
72
68
48
34
