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- Question
The price of 10 chairs is equal to that of 4 tables. The price of 15 chairs and 2 tables together is Rs. 4000. The total price of 12 chairs and 3 tables is:
Options- A. Rs. 3500
- B. Rs. 3750
- C. Rs. 3840
- D. Rs. 3900
- Correct Answer
- Rs. 3900
Explanation
Let the cost of a chair and that of a table be Rs. x and Rs. y respectively.Then, 10x = 4y or y = 5 x. 2 ∴ 15x + 2y = 4000
⟹ 15x + 2 x 5 x = 4000 2 ⟹ 20x = 4000
∴ x = 200.
So, y = ❨ 5 x 200 ❩ = 500. 2 Hence, the cost of 12 chairs and 3 tables = 12x + 3y
= Rs. (2400 + 1500)
= Rs. 3900.
- 1. What value should come in place of the question mark(?) in the following question? (?) - 19657 - 33994 = 9999
Options- A. 63650
- B. 53760
- C. 59640
- D. 61560
- E. None of these Discuss
- 2. What value should come in place of the question mark(?) in the following question? (?) + 3699 + 1985 - 2047 = 31111
Options- A. 34748
- B. 27474
- C. 30154
- D. 27574
- E. None of these Discuss
- 3. What value should come in place of the question mark(?) in the following question?
250 / √ ? = 10
Options- A. 25
- B. 250
- C. 625
- D. 2500 Discuss
- 4. What value should come in place of the question mark(?) in the following question?
? + 6207 - 9038 = 107
Options- A. 2724
- B. 2938
- C. 2814
- D. None of these Discuss
- 5. What value should come in place of the question mark(?) in the following question?
? - 4799 = 1714
Options- A. 6513
- B. 7403
- C. 3085
- D. None of these Discuss
- 6. What value should come in place of the question mark(?) in the following question?
9501 -? = 3697
Options- A. 13198
- B. 5814
- C. 5804
- D. 4894 Discuss
- 7. What value should come in place of the question mark(?) in the following question?
66066 + 6606 + 66 + 6 =?
Options- A. 258126
- B. 72744
- C. 72798
- D. None of these Discuss
- 8. What value should come in place of the question mark(?) in the following question?
? x 48 = 173 x 240
Options- A. 545
- B. 685
- C. 865
- D. 495 Discuss
- 9. What value should come in place of the question mark(?) in the following question?
? x 11 = 555555
Options- A. 505
- B. 5050
- C. 50505
- D. 5005 Discuss
- 10. What value should come in place of the question mark(?) in the following question?
87 x? = 3393
Options- A. 39
- B. 49
- C. 27
- D. 67 Discuss
More questions
Correct Answer: 63650
Explanation:
19657 Let x - 53651 = 9999 33994 Then, x = 9999 + 53651 = 63650 ----- 53651 -----
Correct Answer: 27474
Explanation:
x + 3699 + 1985 - 2047 = 31111
⟹ x + 3699 + 1985 = 31111 + 2047
⟹ x + 5684 = 33158
⟹ x = 33158 - 5684 = 27474.
Correct Answer: 25
Explanation:
Let 250 / √x = 10.
Then √x= 250 / 10 = 25
∴ x = 625
Correct Answer: 2938
Explanation:
Let x + 6207 - 9038 = 107
Then x = (107 +9038) - (6207)
= 2938
Correct Answer: 6513
Explanation:
Let x - 4799 = 1714
Then, x = 4799 + 1714
= 6513.
Correct Answer: 5804
Explanation:
Let 9501 - x = 3697
Then x = 9501 - 3697
= 5804
Correct Answer: 72744
Explanation:
66066 + 6606 + 66 + 6 = 72744
Correct Answer: 865
Explanation:
Let y x 48 = 173 x 240
Then y = (173 x 240) / 48
=173 x 5
= 865 .
Correct Answer: 50505
Explanation:
Let N x 11 = 555555
Then N = 555555 / 11 = 50505.
Correct Answer: 39
Explanation:
Let 87 x N = 3393
Then, N = 3393 / 87 =39 .
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