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- Question
A and B are partners in a business. A contributes 1/4 of the capital for 15 months and B received 2/3 of the profit. For how long B's money was used ?
Options- A. 3 months
- B. 6 months
- C. 10 months
- D. 12 months
- Correct Answer
- 10 months
ExplanationLet the total profit be Rs. z. Then,
B's share = Rs. 2z/3, A's share = Rs. ( z - 2z/3 ) = Rs. z/3.
A : B = z/3 : 2z/3 = 1:2
Let the total capital be Rs, X and suppose B's money was used for x months. Then.
(1(x) / 4 * 15) / (3x) / 4 * y) = 1/2 <=> y = (15 * 2 / 3) = 10 .
Thus, B's money was used for 10 months.
- 1. PQ is a tangent to the circle at T. If TR = TS where R and S are points on the circle and ?RST = 65°, the ?PTS =
Options- A. 65°
- B. 130°
- C. 115°
- D. 55° Discuss
- 2. Find the cost of Rs. 6400, 10% stock at 15 discount?
Options- A. 2000
- B. 5440
- C. 6000
- D. 5140 Discuss
- 3. What is the difference between the total sale of English newspapers and the total sale of Hindi newspapers in all the localities together.
Options- A. 7500
- B. 5600
- C. 6500
- D. 5700 Discuss
- 4. Find the annual income derived from Rs. 2500, 8% stock at 106?
Options- A. 100
- B. 200
- C. 150
- D. 250 Discuss
- 5. x, y and z are prime numbers and x + y + z = 38. What is the maximum value of x?
Options- A. 19
- B. 23
- C. 31
- D. 29 Discuss
- 6. Find the annual income derived by investing Rs. 6800 in 10% stock at 136.?
Options- A. 250
- B. 1500
- C. 500
- D. 50 Discuss
- 7. If the roots of the equation a(b ? c)x2 + b(c ? a)x + c(a ? b) = 0 are equal, then which of the following is true?
Options- A. b = ( a + c)/ ac
- B. 2/ b = (1/ a) + (1/ c)
- C. 2 b = (1/ a) + (1/ c)
- D. abc = ab + bc + ca Discuss
- 8. The speed of a car increases by 2 kms after every one hour. If the distance travelling in the first one hour was 35 kms. what was the total distance travelled in 12 hours?
Options- A. 456 kms
- B. 482 kms
- C. 552 kms
- D. 556 kms Discuss
- 9. The point Q(a,b) is first reflected in yaxis to Q1 and Q1 is reflected in xaxis to (6,2). The coordinates of point Q are
Options- A. (-6,2)
- B. (2,-6)
- C. (6,-2)
- D. (-2,6) Discuss
- 10. A person crosses a 600 m long street in 5 minutes, What is his speed in km per hour?
Options- A. 3.6
- B. 7.2
- C. 8.4
- D. 10 Discuss
More questions
Correct Answer: 115°
Correct Answer: 5440
Explanation:
Cost of Rs. 100 stock = Rs. (100-15)
Cost of Rs. 6400 stock = = Rs. 5440.
Correct Answer: 6500
Correct Answer: 200
Explanation:
Income from Rs. 100 stock = Rs. 8.
Income from Rs. 2500 stock = = Rs. 200.
Correct Answer: 31
Correct Answer: 500
Explanation:
By investing Rs. 136, income obtained = Rs. 10.
By investing Rs. 6800, income obtained = = Rs. 500.
Correct Answer: 2/ b = (1/ a) + (1/ c)
Correct Answer: 552 kms
Explanation:
Total distance travelled in 12 hours =(35+37+39+.....upto 12 terms)
This is an A.P with first term, a=35, number of terms,
n= 12,d=2.
Required distance = 12/2[2 x 35+{12-1) x 2]
=6(70+23)
= 552 kms.
Correct Answer: (6,-2)
Correct Answer: 7.2
Explanation:
Speed = = 2 m/sec = 2 x (18/5) km/hr = 7.2 km/hr
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