(IGP) IAS Pre Paper - 2: GS - General Mental Ability - Arithmetical Reasoning (MCQ -9)

1. If ‘–’ stands for ‘division’, ‘+’ for ‘multiplication’, ‘÷’ for ‘subtraction’ and ‘×’ for ‘addition’, then which one of the following equations is correct?
(a) 4 × 5 + 9 – 3 ÷ 4 = 15
(b) 4 × 5 × 9 + 3 ÷ 4 = 11
(c) 4 – 5 ÷ 9 × 3 – 4 = 17
(d) 4 ÷ 5 + 9 – 3 + 4 =18

2. If ‘–’ stands for ‘division’, ‘+’ for ‘multiplication’, ‘—’ for ‘subtraction’ and ‘×’ for ‘addition’. Which one of the following equation s is correct?
(a) 6 + 20 – 12 ÷ 7 – 1 = 38
(b) 6 – 20 + 12 ÷ 7 + 1 = 57
(c) 6 + 20 – 12 ÷ 7 × 1=62
(d) 6 ÷ 20 × 12 + 7 – 1 = 70

3. If ‘+’ stands for ‘division’, ‘–’stands for ‘multiplication’ ‘×’ stands for ‘subtraction’ and ‘–’ stands for ‘addition’. Which one of the following is correct?
(a) 18 ÷ 6 × 7 + 5 – 2 = 22
(b) 18 ÷ 6 + 7 – 5 – 2 = 16
(c) 18 ÷ 6 – 7 + 5 × 2 = 20
(d) 18 + 6 ÷ 7 × 5 – 2 = 18

4. If ‘×’ stands for ‘addition’, ‘<’ for ‘subtraction’, ‘+’ for ‘division’, ‘>’ for ‘multiplication’ ‘–’ for ‘equal to’, ‘–’ for ‘greater than’ and ‘=’ for ‘less than’, then state which of the following is true?
(a) 3 × 4 > 2 – 9 + 3 < 3
(b) 5 × 3 < 7 ÷ 8 + 4 × 1
(c) 5 > 2 + 2 = 10 < 4 × 8
(d) 3 × 2 < 4 ÷ 16 > 2 + 4

5. If ‘+’ stands for ‘greater than’, ‘×’ stands for ‘addition’, ‘+’ stands for ‘division’,‘–’ stands for ‘equal to’, ‘>’ stands for ,multiplication’’=’ stands for ‘less than’ and’,’ stands for ‘minus’ then which of the following alternatives is correct?
(a) 5 > 2 < 1 – 3 × 4 × 1
(b) 5 < 2 × 1 + 3 > 4 × 1
(c) 5 > 2 × 1 – 3 > 4 < 1
(d) 5 + 2 × 1 = 3 + 4 > 1

6. If ‘—’ means ‘×’, ‘×’ means ‘+’, ‘+’ means ‘–’ and ‘– ’ means ‘+’, find the value of 3 × 4 + 5 – 6 +7.
(a)7/6
(b)4/3
(c)6/5
(d) None of these

7. If ‘÷’ means ‘×’, ‘×’ means ‘+’, ‘+’ means ‘–’ and ‘–’ means ‘÷’, find the value of 16 × 3 + 5 – 2 ÷ 4.
(a) 9
(b) 10
(c) 19
(d) None of these

8. If ‘+’ means ‘minus’, ‘×’ means ‘divided by’, ‘÷’ means ‘plus’ and ‘–’ means ‘multiplied by’, then which of the following will be the value of the expression 252 × 9 – 5 + 32 ÷ 92 = ?
(a) 95
(b) 168
(c) 192
(d) 200

9. If ‘+’ means ‘divided by’, ‘–’ means ‘added to’, ‘×’ means ‘subtracted from’ and ‘÷’means ‘multiplied by’, then what is the value of 24 ÷ 12 – 18 + 9 = ?
(a) –25
(b) 0.72
(c) 15.30
(d) 290

10. If ‘+’ means ‘–’, ‘–’ means ‘+’, ‘+’ means ‘×’ and ‘×’ means ‘÷’ then what is the valueof 3 ÷ 4 × 2 – 1 + 5 = ?
(a) 4
(b) 5
(c) 6
(d) 7

11. If P denotes ‘multiplied by’, T denotes ‘subtracted from’,Mdenotes ‘added to’ and B denotes ‘divided by’, then 2 8 B 7 P 8 T 6 M 4 = ?
(a)-3/2
(b) 30
(c) 32
(d) 34

12. If ‘+’ means ‘divided by’, ‘–’ means ‘add’, ‘×’ means ‘minus’ and ‘/’ means ‘multiplied by’ what will be the value of the following expression? [{( 17 × 12) – (4 × 2)} + (23 – 6)]/0
a)¥
(b) 0
(c) 118
(d) 219

13. If ‘+’ means ‘÷’, ‘–’ means ‘=’, ‘×’ means ‘+’, ‘+’ means ‘>’, ‘=’means ‘<’, ‘>’means ‘×’ and ‘–’means ‘–’, then which of the following options is true?
(a) 5 + 2 × 1 = 3 + 4 > 1
(b) 5 > 2 × 1 – 3 > 4 < 1
(c) 5 × 2 < 1 – 3 < 4 × 1
(d) 5 < 2 × 1 ÷ 3 > 4 × 1

14. If ‘+’ means ‘×’, ‘×’ means ‘+’, ‘–’ means ‘÷’ and ‘÷’ means ‘–’ then, 5 + 3 × 2 ÷ 10 – 5 = ?
(a) 5
(b) 10
(c) 15
(d) 20

15. If ‘+’ means ‘÷’, ‘×’ means ‘–’ ‘÷’ means ‘×’ and ‘–’means ‘+’ then what is the value of given expression? 25 + 5 × 10 ÷ 2 + 15
(a) 10
(b) 0
(c) 5
(d) 15

16. If P = 6, J = 4, L = 8 and M = 24, then M ÷ L × J + P = ?
(a) 16
(b) 0
(c) 36
(d) 18

17. If ‘R’ means ‘+’, ‘Q’ means ‘×’, ‘P’ means ‘+’ then 1 8 R 9 P 2 Q 8 = ?
(a) 18
(b) 16
(c) 28
(d) 30

18. If L stands for ‘+’,Mstands for ‘–’,N stands for ‘×’, P stands for ‘+’, then,1 4 N 1 0 L 4 2 P 2 M 8 = ?
(a) 153
(b) 216
(c) 248
(d) 25

19. If ‘Q’ means ‘add to’, J means ‘multiply by’, ‘T’ means ‘subtract from’ and ‘K’ means ‘divided by’ then 3 0 K 2 Q 3 J 6 T 5 = ?
(a) 18
(b) 28
(c) 31
(d) 103

20. If P denotes ‘÷’, Q denotes ‘×’, R denotes ‘+’ and S denotes ‘–’, then what is the value of 1 8 Q 1 2 P 4 R 5 S 6?
(a) 53
(b) 59
(c) 63
(d) 65

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