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- Question
Which is better investment: 11% stock at 143 or 9¾% stock at 117?
Options- A. 11% stock at 143
- B.
9 3 % stock at 117 4 - C. Both are equally good
- D. Cannot be compared, as the total amount of investment is not given.
- Correct Answer
-
9 3 % stock at 117 4
ExplanationLet investment in each case be Rs. (143 x 117).Income in 1st case = Rs. ❨ 11 x 143 x 117 ❩ = Rs. 1287. 143 Income in 2nd case = Rs. ❨ 39 x 143 x 117 ❩ = Rs. 1394.25 4 x 117 Clearly, 9 3 % stock at 117 is better. 4
More questions
- 1. What is the average of first 93 natural numbers?
Options- A. 45
- B. 46
- C. 47
- D. 49 Discuss
Correct Answer: 47
- 2. The cost of fencing a square field @ Rs. 20 per metre is Rs.10.080.How much will it cost to lay a three meter wide pavement along the fencing inside the field @ Rs. 50 per sq m
Options- A. 53800
- B. 43800
- C. 83800
- D. 73800 Discuss
Correct Answer: 73800
Explanation:
perimeter = total cost / cost per m = 10080 /20 = 504m
side of the square = 504/4 = 126m
breadth of the pavement = 3m
side of inner square = 126 - 6 = 120m
area of the pavement = (126 x126) - (120 x 120) = 246 x 6 sq m
cost of pavement = 246*6*50 = Rs. 73800- 3. What is the measure of an interior angle of a regular decagon?
Options- A. 120°
- B. 140°
- C. 144°
- D. 150° Discuss
Correct Answer: 144°
- 4. The average weight of 100 students is 32 kg. The average weight of first 49 students is 30 kg and of last 50 students is 34 kg. What is the weight (in kg) of the 50th student?
Options- A. 25
- B. 30
- C. 32
- D. 33 Discuss
Correct Answer: 30
- 5. The average weight of Shubha, Govinda and Reshma is 65 kg. If the average weight of Shubha and Govinda be 63 kg and that of Govinda and Reshma be 70 kg, then the weight of Govinda is
Options- A. 41
- B. 71
- C. 88
- D. 46 Discuss
Correct Answer: 71
- 6. Which year has 366 days?
Options- A. 1900
- B. 1200
- C. 2500
- D. 1700 Discuss
Correct Answer: 1200
Explanation:
NOTE: When a century year leaves a remiander 0, when divided by 400 then it is a leap year (366 days).
So, 1200 has 366 days.
- 7. A batsman makes a score of 87 runs in the 17th inning and thus increases his average by 3. Find his average after 17th inning?
Options- A. 40
- B. 39
- C. 50
- D. 55 Discuss
Correct Answer: 39
Explanation:
Let the average after 17th innings = x
Then average after 16th innings = (x - 3)
Therefore 16 × (x - 3) + 87 = 17x
Therefore x = 39
- 8. A batsman makes a score of 87 runs in the 17th inning and thus increases his average by 3. Find his average after 17th inning?
Options- A. 40
- B. 39
- C. 50
- D. 55 Discuss
Correct Answer: 39
Explanation:
Let the average after 17th innings = x
Then average after 16th innings = (x - 3)
Therefore 16 × (x - 3) + 87 = 17x
Therefore x = 39
- 9. In the given figure, PQRSTU is a regular hexagon of side 12 cm. What is the area (in sq.cm) of triangle SQU?
Options- A. 162√3
- B. 216√3
- C. 108√3
- D. 54√3 Discuss
Correct Answer: 108√3
- 10. In the given figure, four identical semicircles are drawn in a quadrant. XA = 7 cm. What is the area (in sq.cm) of shaded region?
Options- A. 70
- B. 140
- C. 77
- D. 84 Discuss
Correct Answer: 84
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