Discussion
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- Question
- If '+' means '÷', 'x' means '+', '-' means 'x' and '÷' means '-', then which of the following equation is correct?
Options- A. 36 + 6 x 3 + 2 = 20
- B. 36 + 6 - 3 x 2 = 20
- C. 36 x 6 + 3 - 2 < 20
- D. 36 x 6 + 3 x 2 > 20
- Correct Answer
- 36 + 6 - 3 x 2 = 20
ExplanationSolve all option one by one,
36 + 6 - 3 x 2 = 20
After changing the symbol as per question,
36 ÷ 6 x 3 + 2 = 20
Apply the BODMAS rule,
? 6 x 3 + 2 = 20
? 18 + 2 = 20
? 20 = 20 - 1. If '-' mean 'x', 'x' means '+', '+' means '÷' and '÷' means '-', then
40 x 12 + 3 - 6 ÷ 60 =?
Options- A. 44
- B. 16
- C. 7.95
- D. 4 Discuss
- 2. Select the correct combination of mathematical signs to replace * signs and to balance the given equation.
5 * 6 * 5 * 8 * 14
Options- A. + - x =
- B. x ÷ + =
- C. ÷ x = -
- D. + x - ÷ Discuss
- 3. If given, 12 (169) 5, 4 (20) 2 and 1 (26) 5, then 7 (?) 3
Options- A. 78
- B. 68
- C. 58
- D. 36 Discuss
- 4. If 879 = 9, 625 = 1 and 586 = 9, then 785 =?
Options- A. 6
- B. 7
- C. 8
- D. 9 Discuss
- 5. If 2 & 6 % 7 = 33, 4 & 6 % 8 = 54, then what will be the value of 6 % 8 & 9?
Options- A. 95
- B. 77
- C. 99
- D. None of these Discuss
- 6. Statements ::
D > B, C > K, K ? N, B < C, N < B
Conclusions ::
I. D > N
II. C ? K
Options- A. Only Conclusion I follows
- B. Only Conclusion II follows
- C. either Conclusion I or II follows
- D. neither Conclusion I nor II follows Discuss
- 7. Statements
B < C, D > B, C > K, K ? N, N < B
Conclusions
I. C > N
II. B > K
Options- A. Only Conclusion I follows
- B. Only Conclusion II follows
- C. either Conclusion I or II follows
- D. neither Conclusion I nor II follows Discuss
- 8. Statement ::
K ? L > M ? N
Conclusions ::
I. N ? K
II. N < K
Options- A. Both Conclusion I and II follow
- B. Neither Conclusion I nor II follows
- C. Either Conclusion I or II follows
- D. Only Conclusion I follows Discuss
- 9. Statement ::
Z ? Y = W ? X
Conclusions ::
I. W < Z
II. W = Z
Options- A. Only Conclusion II follows
- B. Only Conclusion I follows
- C. Neither Conclusion I nor II follows
- D. Either Conclusion I or II follows Discuss
- 10. Statements ::
R # J, J $ D, D @ K, K % T
Conclusions ::
I. T # D
II. T @ D
III. R # K
IV. J $ T
Options- A. Either I or II is true
- B. Only III is true
- C. III and IV are true
- D. Either I or II and III are true Discuss
Mathematical Operations problems
Search Results
Correct Answer: 4
Explanation:
Given question is,
40 x 12 + 3 - 6 ÷ 60
According to the question, putting the real values of signs,
40 + 12 ÷ 3 x 6 - 60 = 40 + 4 x 6 - 60
Apply the BODMAS Rule
= 40 + 24 - 60 = 64 - 60 = 4
Correct Answer: x ÷ + =
Explanation:
Solve the equation by using option one by one.
5 * 6 * 5 * 8 * 14
From option (b),
After changing the symbol as per question,
5 x 6 ÷ 5 + 8 = 14
Apply the BODMAS Rule,
? 5 x 6/5 + 8 = 14
? 14 = 14
Correct Answer: 58
Explanation:
As, 122 + 5 2 ? 144 + 25 = 169
42 + 22 ? 16 + 4 = 20
and 12 + 52 ? 1 + 25 = 26
Similarly,
72 + 32 = 49 + 9 = 58
Correct Answer: 6
Explanation:
879 ? (7 + 9) - 8 = 8
625 ? (2 + 5) - 6 = 1
and 586 ? (8 + 6) - 5 = 9
Similarly, 785 ? (8 + 5) - 7 = 6
Correct Answer: 95
Explanation:
Here sign '&' does not convey any meaning and sign '%' signifies '+'
26 + 7 = 33, 46 + 8 = 54
Therefore, 6 + 89 = 95
Correct Answer: Only Conclusion I follows
Explanation:
Conclusions
As per given question, we can draw the below conclusion,
I. D > N (?)
II. C ? K (X)
Correct Answer: neither Conclusion I nor II follows
Explanation:
Conclusion
I. C > N (?)
II. B > N (?)
Correct Answer:
Explanation:
K ? L > M ? N
Conclusions
I. N ? K (x)
II. N < K (?)
Thus, only Conclusion II follows.
Correct Answer: Either Conclusion I or II follows
Explanation:
Z ? Y = W ? X
Conclusions
I. W < Z (?)
or
II. W = Z (?)
Thus, either Conclusion I or II follows.
Correct Answer: Either I or II and III are true
Explanation:
Statements
R # J ? R >J
J $ D ? J ? D
D @ K ? D = K
K % T ? K ? T
i.e., R > J ? D = K ? T
Conclusions
I. T # D ? T > D (may be)
II. T @ D ? T = D (may be)
III. R # K ? R > K (?)
IV. J $ T ? J ? T (x)
Hence, either conclusion I or II and III are definitely true.
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