Mathematical Operations · SSC CGL previous year questions

What will come in place of the question mark (?) in the following equation if ‘+’ and ‘÷’ are interchanged and ‘×’ and ‘–’ are interchanged? 4 − 12 + 3 ÷ 12 × 6 = ?

1. A.11
2. B.46
3. C.13
4. D.22

Which two numbers (not digits) should be interchanged to make the given equation correct? 116 − 92 ÷ 4 + 25 × 2 − 20 = 150

1. A.2 and 4
2. B.25 and 20
3. C.116 and 92
4. D.20 and 92

Which two numbers (not digits) should be interchanged to make the given equation correct? 72 − 6 + (18 ÷ 4) + 17 − (22 × 2) = 44

1. A.22 and 18
2. B.6 and 4
3. C.6 and 22
4. D.2 and 4

What will come in the place of ‘?’ in the following equation, if ‘÷’ and ‘–‘ are interchanged and ‘×’ and ‘+’ are interchanged? 15 × 9 + 7 ÷ 26 – 13 = ?

1. A.76
2. B.84
3. C.68
4. D.72

Select the number that will come in the place of the question mark (?), if ‘+’ and ‘–’ are interchanged and ‘×’ and ‘÷’ are interchanged: 11 ÷ 12 – 78 × 6 + 57 = ?

1. A.74
2. B.83
3. C.88
4. D.95

Which two numbers (not digits) should be interchanged to make the given equation correct? 24 ÷ 3 − 4 × 2 + 6 × 5 +12 = 50

1. A.4 and 3
2. B.5 and 4
3. C.3 and 2
4. D.24 and 12

What will come in place of the question mark (?) in the following equation, if ‘+’ and ‘–’ are interchanged and ‘×’ and ‘÷’ are interchanged? 321 − 371 ÷ 22 + 216 × 6 = ?

1. A.7848
2. B.7884
3. C.8747
4. D.8447

Select the correct combination of mathematical signs to sequentially replace the * signs and balance the given equation. 45 * 86 * 23 * 36 * 18 * 2021

1. A.×, +, -, ÷, =
2. B.+, -, ×, ÷, =
3. C.-, ×, +, ÷, =
4. D.+, ×, -, ÷, =

Select the correct combination of mathematical signs that can sequentially replace the * signs and balance the given equation. 12 * 70 * 5 * 5 * 5 * 11 * 2

1. A.+, -, ×, =, ×, +
2. B.×, +, +, -, ×, =
3. C.×, =, ×, ×, +, -
4. D.×, +, -, ×, =, ×

Select the correct combination of mathematical signs to sequentially replace the * signs and balance the given equation. 76 * 4 * 26 * 13 * 9 * 62

1. A.−, +, ÷, ×, =
2. B.+, ÷, ×, −, =
3. C.+, −, ÷, ×, =
4. D.÷, −, +, ×, =

Which of the following interchanges of signs would make the given equation correct? 1000 - 448 + 14 ÷ 15 × 2 = 998

1. A.+ and ÷
2. B.× and ÷
3. C.- and +
4. D.÷ and -

Which two signs and two numbers should be interchanged in the following equation to make it correct? 15 ÷ 80 - 34 + 10 × 8 = 102

1. A.10, 80, ÷, -
2. B.15, 34, -, ×
3. C.34, 15, +, ÷
4. D.10, 34, ÷, ×

Which of the following interchanges of signs would make the given equation correct? 50 - 25 ÷ 5 × 3 + 6 = 59

1. A.+ and ×
2. B.÷ and +
3. C.× and -
4. D.- and +

Which two signs and two numbers should be interchanged to make the following equation correct? 784 ÷ 6 × 9 - 30 + 14 = 528

1. A.14 and 6, + and -
2. B.784 and 30, + and x
3. C.784 and 6, × and -
4. D.9 and 6, ÷ and +

Study the given pattern carefully and select the number that can replace the question mark (?) in it. First row: 16, 15, 35 Second row: 12, 18, 33 Third row: 8, 17, ? (NOTE: Operations should be performed on the whole numbers, without breaking down the number into its constituent digits. For example, 13 - Operations on 13 such as adding/subtracting/multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.)

1. A.31
2. B.27
3. C.25
4. D.30

Which two signs should be interchanged to make the given equation correct? 3 × 12 - 6 ÷ 2 + 12 = 16

1. A.÷ and +
2. B.× and ÷
3. C.- and ÷
4. D.- and +

Study the given pattern carefully and select the number that can replace the question mark (?) in it. (6, 1, 18) (5, 4, 60) (6, 2, ?) (NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits. E.g. 13 – Operations on 13 such as adding/subtracting/multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed)

1. A.36
2. B.32
3. C.40
4. D.24

Select the correct combination of mathematical signs to sequentially replace the * signs and to balance the given equation. 18 * 3 * 12 * 9 * 3 * 111

1. A.÷, +, ×, –, =
2. B.×, +, ÷, –, =
3. C.×, –, ×, +, =
4. D.×, +, ×, –, =

Which two signs and two numbers should be interchanged to make the following equation correct? 840 ÷ 38 - 7 + 10 × 12 = 462

1. A.12 and 10, ÷ and +
2. B.12 and 38, × and -
3. C.12 and 7, + and ×
4. D.840 and 10, + and -

Select the correct combination of mathematical signs to sequentially replace the * signs and balance the given equation. 9 * 16 * 64 * 8 * 2 * 9

1. A.÷, +, ×, -, =
2. B.-, ÷, +, ×, =
3. C.+, ÷, ×, -, =
4. D.÷, -, +, ×, =

Which of the following interchanges of signs would make the given equation correct? 162 ÷ 3 + 5 × 6 - 2 = 274

1. A.+ and -
2. B.÷ and ×
3. C.- and ÷
4. D.+ and ×

Select the correct combination of mathematical signs to sequentially fill in the boxes and to balance the given equation.

1. A.−, +, ×, ×, ÷, ×, =
2. B.×,−, +, ×, ÷, ×, =
3. C.×, ÷, ×, ×, =,−, +
4. D.-, +, ×, ÷, ×, ×, =

Study the given pattern carefully and select the number that can replace the question mark (?) in it. (2, 2, 4) (1, 6, 6) (7, 2, ?) (NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits. E.g. 13 - Operations on 13 such as adding/subtracting/multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed)

1. A.14
2. B.2
3. C.7
4. D.12

Which two numbers and two signs should be interchanged in the following equation to make it correct? 3 − 17 + 3 + 16 × 8 = 60

1. A.17 and 8, − and ×
2. B.3 and 17, − and ×
3. C.3 and 16, − and ×
4. D.17 and 16, − and ×

Select the correct combination of mathematical signs to sequentially replace the @ signs and to balance the given equation. 72 @ 9 @3 @ 6 @ 6 @ 6 @ 6

1. A.÷, ×, +, =, -, +
2. B.÷, ×, +, =, × , -
3. C.×, ÷, =, -, +, ×
4. D.+, ×, =, -, ÷, +