Number System SSC GD Questions

SSC GD-Elementary Mathematics
Number System

Number System MCQ Questions


7.
The greatest number that will divide 398, 437 and 5425 leaving 7, 12 and 2 as remainders, respectively, is:
SSC GD 2021-16.12.2021-1
A.
11
B.
15
C.
17
D.
19
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ANSWER :
C. 17
8.
The greatest number that on dividing 2675 and 2320 leaves the remainders 5 and 6, respectively, is:
SSC GD 2021-16.12.2021-2
A.
168
B.
170
C.
187
D.
178
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ANSWER :
D. 178
9.
If the number 6523678pq is divisible by 99, the missing digits p and q are:
SSC GD 2021-17.12.2021-3
A.
p = 4, q = 4
B.
p = 6, q = 2
C.
p = 2, q = 6
D.
p = 3, q = 5
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ANSWER :
C. p = 2, q = 6
10.
Let x be the greatest number which when divides 6564, 7416 and 8907, the remainder in each case is the same. The sum of the digits of x is:
SSC GD 2021-23.12.2021-2
A.
9
B.
5
C.
10
D.
6
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ANSWER :
D. 6
11.
Find the greatest possible length which can be used to measure exactly the lengths 4 m 90 cm, 3 m 85 cm and 12 m 95 cm.
SSC GD 2021-24.12.2021-1
A.
35 cm
B.
25 cm
C.
20 cm
D.
45 cm
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ANSWER :
A. 35 cm
12.
\(2 + 3 \div 2 \text{ of } \frac{3}{2} + 2\left(4 \times 2 \div 2 \text{ of } \frac{1}{2} + 2 - \frac{1}{2}\right)\), after simplification, will give the result as:
SSC GD 2021-24.12.2021-2
A.
\( \frac{7}{2} \)
B.
21
C.
19
D.
22
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ANSWER :
D. 22
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