Mathematical Operation Questions PDF for SSC & Railway, Attempt Quiz

1. In a certain code language, ‘+’ represents ‘÷’, ‘-‘ represents ‘×’, ‘×’ represents ‘-‘, and ‘÷’ represents ‘+’. What is the value of:
27 ÷ 17 – 17 × 26 – 15 = ?

2. Which two signs should be interchanged to make the following equation correct?
19 + 3 – 12 × 24 ÷ 4 = 88

3. Which two signs should be interchanged to make the following equation correct?
23 ÷ 23 – 12 + 6 × 5 = -17

4. If ‘+’ is interchanged with ‘-‘ and ‘×’ is interchanged with ‘÷’, which of the following equations is correct?

5. Observe the following pattern: 8 # 4 = 28, 1 # 4 = 7, 3 # 6 = 21. Using the same rule, find:
6 # 6 = ?

6. If ‘+’ is interchanged with ‘÷’ and ‘-‘ is interchanged with ‘×’, which of the following equations is correct?

7. Which two numbers should be interchanged to make the following equation correct?
8 + 14 – 22 + 20 – 6 = 30

8. If ‘A’ means ‘-‘, ‘B’ means ‘×’, ‘C’ means ‘+’, and ‘D’ means ‘÷’, find the value of:
25 B 24 A 22 B 21 C 25 = ?

9. Which two signs should be interchanged to make the following equation correct?
2 ÷ 16 – 20 + 22 × 11 = 8

10. Which two numbers should be interchanged to make the following equation correct?
15 + 18 ÷ 6 × 4 – 17 = 25

11. In a certain code language, ‘+’ represents ‘-‘, ‘-‘ represents ‘×’, ‘×’ represents ‘÷’, and ‘÷’ represents ‘+’. What is the value of:
28 ÷ 3 – 24 ÷ 20 + 29 = ?

12. In a certain code language, ‘+’ represents ‘-‘, ‘-‘ represents ‘÷’, ‘×’ represents ‘+’, and ‘÷’ represents ‘×’. What is the value of:
17 × 24 + 4 + 2 × 9 = ?

13. Which two signs should be interchanged to make the following equation correct?
6 × 15 + 16 ÷ 8 – 20 = 31

14. Which two signs should be interchanged to make the following equation correct?
20 – 16 × 24 + 8 ÷ 23 = -5

15. In a certain code language, ‘+’ represents ‘-‘, ‘-‘ represents ‘×’, ‘×’ represents ‘÷’, and ‘÷’ represents ‘+’. What is the value of:
6 + 28 ÷ 5 + 21 + 25 = ?

16. Which two numbers should be interchanged to make the following equation correct?
15 – 25 ÷ 13 + 14 – 5 = 11

17. Which two signs should be interchanged to make the following equation correct?
22 ÷ 15 – 18 × 6 + 2 = 329

18. If ‘+’ is interchanged with ‘÷’ and ‘-‘ is interchanged with ‘×’, which of the following equations is correct?

19. If ‘A’ means ‘×’, ‘B’ means ‘÷’, ‘C’ means ‘-‘, and ‘D’ means ‘+’, find the value of:
10 A 6 A 23 D 9 A 12 = ?

20. If ‘+’ is interchanged with ‘×’ and ‘-‘ is interchanged with ‘÷’, which of the following equations is correct?

21. In a certain code language, ‘+’ represents ‘÷’, ‘-‘ represents ‘+’, ‘×’ represents ‘-‘, and ‘÷’ represents ‘×’. What is the value of:
28 × 15 + 5 × 4 × 30 = ?

22. In a certain code language, ‘+’ represents ‘÷’, ‘-‘ represents ‘+’, ‘×’ represents ‘-‘, and ‘÷’ represents ‘×’. What is the value of:
24 × 25 × 30 × 27 + 27 = ?

23. Which two signs should be interchanged to make the following equation correct?
15 × 9 – 3 + 9 ÷ 12 = 42

24. Which two signs should be interchanged to make the following equation correct?
6 × 24 – 12 ÷ 7 + 7 = 12

25. Which two signs should be interchanged to make the following equation correct?
5 ÷ 19 + 3 – 3 × 24 = 10

26. Which two signs should be interchanged to make the following equation correct?
9 + 13 – 10 ÷ 10 × 25 = 141

27. Observe the following pattern: 6 # 3 = 39, 2 # 1 = 5, 1 # 4 = 5. Using the same rule, find:
8 # 4 = ?

28. Which two signs should be interchanged to make the following equation correct?
8 – 4 ÷ 6 + 5 × 19 = 91

29. If ‘A’ means ‘-‘, ‘B’ means ‘×’, ‘C’ means ‘+’, and ‘D’ means ‘÷’, find the value of:
26 A 23 C 17 C 12 A 15 = ?

30. If ‘A’ means ‘÷’, ‘B’ means ‘×’, ‘C’ means ‘+’, and ‘D’ means ‘-‘, find the value of:
22 C 19 C 30 D 10 D 15 = ?