Mathematical Operations · SSC CGL previous year questions

Choose the correct signs to swap.

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

The following equation is incorrect. Which two signs should be interchanged to correct the equation?

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

If the given symbols mean: '+' means 'divided by' '-' means 'multiplied by' 'x' means 'minus' '÷' means 'plus' Then, find the value of the following expression:

1. A.9
2. B.11
3. C.13
4. D.15

Find the two signs to interchange to correct the equation.

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

If the given symbols mean: '+' means 'divided by' '-' means 'multiplied by' 'x' means 'minus' '÷' means 'plus' Then, find the value of the following expressions: 60 + 5 - 4 x 10 ÷ 2 = ?

1. A.35
2. B.40
3. C.55
4. D.65

If the given symbols mean: '+' means 'divided by', '−' means 'multiplied by', 'x' means 'minus', '÷' means 'plus'. Then, find the value of the following expression: 7 x 3 ÷ 4 + 20 − 5 = ?

1. A.7
2. B.9
3. C.5
4. D.11

If the given symbols mean: '+' means 'divided by' '-' means 'multiplied by' 'x' means 'minus' '÷' means 'plus' Then, find the value of the following expression: 48 x 8 ÷ 12 + 4 - 7 = ?

1. A.16
2. B.37
3. C.51
4. D.61

In each of the following questions, a group of three numbers/symbols is given in each option. Identify the group that does NOT follow the same pattern as the others.

1. A.M13 : O15 : Q17
2. B.N14 : P16 : R18
3. C.L12 : N14 : P16
4. D.O15 : Q17 : s21

In each of the following questions, a group of three numbers/symbols is given in each option. Identify the group that does NOT follow the same pattern as the others.

1. A.A2@ : C4# : E6
2. B.B3% : D5^ : F7&
3. C.C4* : E6( : G8)
4. D.D5_ : G9@ : J13

In each of the following questions, a group of three numbers/symbols is given in each option. Identify the group that does NOT follow the same pattern as the others.

1. A.A1 : D5 : G9
2. B.B2 : E6 : H10
3. C.C3 : F7 : I11
4. D.D4 : G8 : K13

In each of the following questions, a group of three numbers/symbols is given in each option. Identify the group that does NOT follow the same pattern as the others.

1. A.A1@ : D4# : G7
2. B.B2% : E5^ : H8&
3. C.C3* : F6( : I9)
4. D.D4_ : G8@ : K13

In each of the following questions, a group of three numbers/symbols is given in each option. Identify the group that does NOT follow the same pattern as the others.

1. A.A1@ : C3# : E5
2. B.B2% : D4^ : F6&
3. C.C3* : E5( : G7)
4. D.D4_ : F6@ : I9&

After interchanging + & × and 15 & 30, which of the following equations will hold true?

1. A.Option 1
2. B.Option 2
3. C.Option 3
4. D.Option 4

In each of the following questions, a group of three numbers/symbols is given in each option. Identify the group that does NOT follow the same pattern as the others.

1. A.M13 : J10 : G7
2. B.Z26 : W23 : T20
3. C.D4 : A1 : X24
4. D.H8 : E6 : B4

In each of the following questions, a group of three numbers/symbols is given in each option. Identify the group that does NOT follow the same pattern as the others.

1. A.Z1 : Y2# : X3@
2. B.W4% : V5^ : U6&
3. C.T7* : S8( : R9)
4. D.Q10 : P11 : O12

In each of the following questions, a group of three numbers/symbols is given in each option. Identify the group that does NOT follow the same pattern as the others.

1. A.M1 : N2# : O3@
2. B.P4% : Q5^ : R6&
3. C.S7* : T8( : U9)
4. D.V10_ : X11@ : Y13#

After interchanging + and × and 6 and 10, which of the following equations will hold true?

1. A.(6+3)×10=36
2. B.(10+2)×6=20
3. C.(6+5)×10=50
4. D.(10+4)×6=30

In each of the following questions, a group of three numbers/symbols is given in each option. Identify the group that does NOT follow the same pattern as the others.

1. A.K11 : I9 : G7
2. B.M13 : K11 : I9
3. C.O15 : M13 : K11
4. D.N14 : K11 : H8

In each of the following questions, a group of three numbers/symbols is given in each option. Identify the group that does NOT follow the same pattern as the others.

1. A.A1@ : B2# : C3
2. B.D4% : E5^ : F6&
3. C.G7* : H8( : I9)
4. D.J10_ : K11@ : L12@

In each of the following questions, a group of three letter-number-symbol triplets is given in each option. Identify the group that does NOT follow the same pattern as the others.

1. A.Z1# : Y2@ : X3
2. B.W4% : V5^ : U6&
3. C.T7* : S8( : R9)
4. D.Q10_ : P9@ : O8

After interchanging + & × and 3 & 9, which of the following equations will hold true?

1. A.(3+5)×9=48
2. B.(9+2)×3=10
3. C.(3+7)×9=60
4. D.(9+1)×3=15

What will come in place of the question mark (?) in the following equation, if ‘+’ and ‘–’ are interchanged and ‘×’ and ‘÷’ are interchanged? 229 ÷ 41 + 502 × 2 – 44 = ?

1. A.9218
2. B.9182
3. C.9812
4. D.9281

Two sets of numbers are given below. In each set of numbers, certain mathematical operation(s) on the first number result(s) in the second number. Similarly, certain mathematical operation(s) on the second number result(s) in the third number and so on. Which of the given options follows the same set of operations as in the given sets? (NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into their constituent digits. E.g. 13 – Operations on 13 such as adding/subtracting/multiplying to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.) 17 – 19 – 16 – 20; 22 – 24 – 21 – 25

1. A.11 – 13 – 10 – 15
2. B.15 – 17 – 14 – 18
3. C.18 – 20 – 16 – 14
4. D.16 – 18 – 12 – 16

What will come in the place of ‘?’ in the following equation, if ‘+’ and ‘–‘ are interchanged and ‘×’ and ‘÷’ are interchanged? 4 – 5 ÷ 9 + 6 × 2 = ?

1. A.38
2. B.42
3. C.36
4. D.46

Select the number that will come in the place of the question mark(?), if ‘+’ and ‘–’ are interchanged and ‘×’ and ‘÷’ are interchanged 11 ÷ 8 – 78 × 6 + 37 = ?

1. A.62
2. B.64
3. C.58
4. D.71