Mathematical Operation SSC CHSL Questions

Mathematical Operation

Mathematical Operation MCQ Questions

1.
Which number will replace the question mark (?) to complete the given series?
2, 5, 10, 17, 26, 37, 50, ?
SSC CHSL 2023-09.08.2023-2
A.
67
B.
61
C.
63
D.
65
ANSWER :
D. 65
2.
What will come in place of the question mark (?) in the following equation if โ€˜+โ€™ and โ€˜โ€“โ€™ are interchanged and โ€˜ร—โ€™ and โ€˜รทโ€™ are interchanged?
5 รท 8 + 4 ร— 2 โ€“ 9 = ?
SSC CHSL 2023-09.08.2023-2
A.
55
B.
43
C.
47
D.
27
ANSWER :
C. 47
3.
Select the number from among the given options that can replace the question mark (?) in the following series.
3, 6, 15, 42, 123, ?
SSC CHSL 2023-09.08.2023-3
A.
366
B.
362
C.
368
D.
365
ANSWER :
A. 366
4.
If โ€˜Aโ€™ stands for โ€˜รทโ€™, โ€˜Bโ€™ stands for โ€˜ร—โ€™, โ€˜Cโ€™ stands for โ€˜+โ€™ and โ€˜Dโ€™ stands for โ€˜โˆ’โ€™, what will come in place of the question mark (?) in the following equation?
42 A 7 B 11 C 57 D 10 = ?
SSC CHSL 2023-09.08.2023-4
A.
109
B.
113
C.
118
D.
111
ANSWER :
B. 113
5.

What will come in place of the question mark (?) in the following equation if ‘+’ and ‘โˆ’’ are interchanged and ‘×’ and ‘÷’ are interchanged?
49 × 7 ÷ 13 โˆ’ 87 + 12 = ?


SSC CHSL 2023-10.08.2023-1
A.

167

B.

166

C.

159

D.

171

ANSWER :

B. 166

6.
If โ€˜Aโ€™ stands for โ€˜รทโ€™, โ€˜Bโ€™ stands for โ€˜ร—โ€™, โ€˜Cโ€™ stands for โ€˜+โ€™ and โ€˜Dโ€™ stands for โ€˜โˆ’โ€™, what will come in place of the question mark (?) in the following equation?
153 C 65 A 13 B 6 D 85 = ?
SSC CHSL 2023-10.08.2023-1
A.
101
B.
96
C.
98
D.
91
ANSWER :
C. 98