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- Question
- The banker's gain of a certain sum of money is Rs. 36 and the true discount on the same sum for the same time and at the same rate is Rs. 30. The sum is?
Options- A. Rs. 1080
- B. Rs. 180
- C. Rs. 500
- D. Rs. 300
- Correct Answer
- Rs. 180
ExplanationSum = (B.D. x T.D.) / (B.D. - T.D.) = Rs. (36 x 30) / 6
= Rs. 180 - 1.
The length of a shadow of a vertical tower is 1 ?3 times of its height. The angle of elevation of the Sun is :
Options- A. 30 °
- B. 45 °
- C. 60 °
- D. 90 ° Discuss
- 2. The angles of elevation of the top of a tower from the points P and Q, at distances of 'a' and 'b' respectively from the base of the tower and in the same straight line with it are complementary. The height of the tower is :
Options- A. ?ab
- B. a b
- C. ab
- D. a2b2 Discuss
- 3. ABCD is a rectangle where the ratio of the lengths of AB and BC is 3 : 2. If P is the midpoint of AB, then the value of sin (?CPB) is :
Options- A. 3 5
- B. 2 5
- C. 3 4
- D. 4 5 Discuss
- 4. From the top of a tower of height 108 meter the angles of depression of two objects on either sides of the tower are 30° and 45°. The distance between the objects are :
Options- A. 180 ( 3 + ?3 ) m
- B. 180 ( 3 - ?3 ) m
- C. 180 ( ?3 - 1 ) m
- D. 180 ( ?3 + 1 ) m Discuss
- 5. A man is watching from the top of a tower a boat speeding away from the tower. The boat makes an angle of depression of 45° with the man's eye when at a distance of 60 meter from the tower. After 5 second, the angle of depression becomes 30°. What is the approximate speed of the boat, assuming it is running in still water?
Options- A. 32 Km/h
- B. 42 Km/h
- C. 38 Km/h
- D. 36 Km/h Discuss
- 6. The banker's gain of a certain sum due 2 years hence at 5% per annum is Rs. 80. The present worth is?
Options- A. Rs. 800
- B. Rs. 1600
- C. Rs. 1200
- D. Rs. 880 Discuss
- 7. The present worth of a certain due sometime hence is Rs. 1600 and the true discount is Rs. 160. The banker's gain is?
Options- A. Rs. 10
- B. Rs. 16
- C. Rs. 20
- D. Rs. 24 Discuss
- 8. The banker's gain on a sum due 3 years hence at 5% is Rs. 90. The banker's discount is?
Options- A. Rs. 690
- B. Rs. 720
- C. Rs. 810
- D. Rs. 150 Discuss
- 9. The banker's discount on a bill due 6 months hence at 6% is Rs. 37.08. The true discount is?
Options- A. Rs. 6.18
- B. Rs. 12.36
- C. Rs. 48
- D. Rs. 36 Discuss
- 10. The true discount on a bill of Rs. 1860 due after 8 months is Rs. 60. Find the banker's discount?
Options- A. Rs . 62
- B. Rs .52
- C. Rs . 60
- D. None of these Discuss
Banker's Discount problems
Search Results
Correct Answer: 60 °
Explanation:
Correct Answer: ?ab
Explanation:
Correct Answer: 4 5
Explanation:
Correct Answer: 180 ( ?3 + 1 ) m
Explanation:
Correct Answer: 32 Km/h
Explanation:
Correct Answer: Rs. 800
Explanation:
T.D. = (B.G. X 100) / (Rate x Time)
= Rs. (80 x 100) / (5 x 2)
= Rs. 800
Correct Answer: Rs. 16
Explanation:
B.G. = (T.D.)2 / P.W.
= Rs. (160 x 160) / 1600
= Rs. 16
Correct Answer: Rs. 690
Explanation:
T.D. = (B.G. x 100) / (R x T) = Rs. (90 x 100) / (5 x 3)
= Rs. 600
? B.D. = Rs. (600 +90) = Rs. 690
Correct Answer: Rs. 36
Explanation:
T.D. = (B.D. X 100) / {100 + (R X T)}
= Rs. (37.08 x 100) / {100 + (6 x 1/2)}
= Rs. 36
Correct Answer: Rs . 62
Explanation:
Amount = Rs. 1860.
True discount = Rs. 60
? Present worth = Rs. 1860 - Rs. 60 = Rs. 1800
S.I. on Rs. 1800 for 8 months = Rs. 60
? Rate = [(100 x 60) / (1800 x 2/3)]% = 5%
? Banker's discount = (1860 x 5 x 2/3)/100 = Rs. 62
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