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- Question
There is sufficient salary to give K for 10 days and L for 15 days. Then how many days will the money last if both has to be given the salary ?
Options- A. 6 days
- B. 12 days
- C. 4 days
- D. 9 days
- Correct Answer
- 6 days
ExplanationK's 1 day's salary = 1/10
L's 1 day's salary = 1/15
Together their 1 day's salary = 1/10 + 1/15
= 3/30 + 2/30
= 5/30
= 1/6
So the money will be enough for paying them both for 6 days. - 1. If cos3A = X, then value of X?
Options- A. 4cos3A - 3cosA
- B. 4cos3A + 3cosA
- C. 3cosA - 4cos3A
- D. cosA + 4cos3A Discuss
- 2. By investing Rs. 1620 in 8% stock, Michael earns Rs. 135. The stock is then quoted at ?
Options- A. Rs. 145
- B. Rs. 245.1
- C. Rs. 96
- D. Rs. 75 Discuss
- 3. In ?XYZ measure of angle Y is 90 deg. If cosecX = 13/12, and XY = 1cm, then what is the length ( in cm ) of side YZ?
Options- A. 2.6
- B. 1.5
- C. 2.4
- D. 2 Discuss
- 4. Which is better investment : 11% stock at 143 (or) 9 3/4% stock at 117 ?
Options- A. Both are equally good
- B. 9 3/4% stock at 117
- C. Cannot be compared, as the total amount of investment is not given
- D. 11% stock at 143 Discuss
- 5. XYZ is a right angled triangle and ?Y = 90°. If XY = 2.5 cm and YZ = 6 cm then the circumradius of ?XYZ is
Options- A. 6.5 cm
- B. 3.25 cm
- C. 3 cm
- D. 2.5 cm Discuss
- 6. A man invested Rs. 4455 in Rs. 10 shares quoted at Rs. 8.25. If the rate of dividend be 12%, his annual income is:
Options- A. 107.04
- B. 648
- C. 500
- D. 648.60 Discuss
- 7. If x + 1/x = 6, then value of x2 + 1/x2 is
Options- A. 23
- B. 16
- C. 34
- D. 32 Discuss
- 8. Find the cost of 96 shares of Rs. 10 each at 34 discount, brokerage being 1/4 per share.
Options- A. 912
- B. 921
- C. 920
- D. 900 Discuss
- 9. If 14/3 + (1/2)(x - 7/3) = -2x/3, then the value of x is?
Options- A. -3
- B. 3
- C. -6
- D. 6 Discuss
- 10. The cash realised on selling a 14% stock is Rs.106.25, brokerage being 1/4% is
Options- A. 123
- B. 106
- C. 100
- D. 156 Discuss
More questions
Correct Answer: 4cos3A - 3cosA
Correct Answer: Rs. 96
Explanation:
Michel earns Rs. 135 by investing Rs. 1620
To earn Rs. 8 how much he have to invest...?
= (8 x 1620)/135 = Rs. 96
Correct Answer: 2.4
Correct Answer: 9 3/4% stock at 117
Explanation:
Let investment in each case be Rs. (143 x 117).
Income in 1st case = Rs.
x 143 x 117 = Rs. 1287.
Income in 2nd case = Rs.
x 143 x 117= Rs. 1394.25
Clearly, 9 3/4% stock at 117 is better.
Correct Answer: 3.25 cm
Correct Answer: 648
Explanation:
Number of shares = = 540.
Face value = Rs. (540 x 10) = Rs. 5400.
Annual income = = Rs. 648.
Correct Answer: 34
Correct Answer: 912
Explanation:
Cost of 1 share =
Cost of 96 shares = = Rs. 912.
Correct Answer: -3
Correct Answer: 106
Explanation:
Cash realised= Rs. (106.25 - 0.25)
= Rs. 106.
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