11.
A box filled with paper bundles weighs 36 kilograms. If the weight of the box and paper boundless respectively are in the ratio of 3 : 22, then find the weight of the papers in grams.
- A.Rs. 30,680
- C.Rs. 31,500
- B.Rs. 30,710
- D.Rs. 31,680
- Answer & Explanation
- Report
Answer : [D]
Explanation :
Explanation :
| The box to paper ratio is 3 : 22. |
| To arrives the weight of the box, we first divide 36000 by 25 to get 1440. |
| Multiplying this by 3 we get 4320 which is the weight of the box. |
| Therefore, weight of the paper is 36000 – 4320 = 31,680 kg |
12.
In a class room, three-fourth of the boys are above 160 cm in height and they are 18 in number. Also out of the total strength, the boys from only two-third and the rest are girls. The total number of girls in the class is
- A.18
- C.12
- B.24
- D.20
- Answer & Explanation
- Report
Answer : [C]
Explanation :
Explanation :
| Total number of boys in the class = 24 |
| Total number of girls in the class = 12 |
| Total strength of the class = 36 |
13.
| A sporting goods store ordered an equal number of white and yellow tennis balls. The tennis | |||||||||
| ball company delivered 45 extra white balls, making the ratio of white balls to yellow balls | |||||||||
|
- A.450
- C.225
- B.270
- D.None of these
- Answer & Explanation
- Report
Answer : [C]
Explanation :
Explanation :
| Ratio of white to yellow balls = 6 : 5 |
| Difference in the number of white and yellow balls = 6x – 5x = x = 45 |
| Therefore, number of white balls now available = 45 x 6 |
| Number of white balls ordered = (45 x 6) – 45 = 225 |
14.
A bag contains Rs 216 in the form of one rupee, 50 paise and 25 paise coins in the ratio of 2 : 3 : 4. The number of 50 paise coins is
- A.96
- C.114
- B.144
- D.141
- Answer & Explanation
- Report
Answer : [B]
Explanation :
Explanation :
| Let number of one-rupee coins = 2K |
| Number of 50 paise coins = 3K |
| Number of 25 paise coins = 4K |
| 2K + 0.50 x 3K + 0.25 x 4K = 216 |
| 2K + 1.5K + K = 216 |
15.
A factory employees skilled workers, unskilled workers and in the proportion 8 : 5 : 1 and the wage of a skilled worker, an unskilled worker and a clerk are in the ratio 5 : 2 : 3. When 20 unskilled workers are employed, the total daily wages of all amount to Rs3180. Find the daily wages paid to each category of employees.
- A.2100,800,280
- C.2400,600,180
- B.2400,480,300
- D.2200,560,420
- Answer & Explanation
- Report
Answer : [C]
Explanation :
Explanation :
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