SSC GD Constable 2015 Question Paper - Morning Shift - Elementary Mathematics Questions and Answers

SSC GD Constable 2015 Question Paper - Morning Shift : Elementary Mathematics

1. 16 men are able to complete a piece of work in 12 days working 14 hours a day. How long will 28 men, working 12 hours a day, take to complete the work ?
[A] 7 days
[B] 10 days
[C] 8 days
[D] 6 days
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2. A certain sum amounts to Rs. 1725 at 15% per annum at simple interest and Rs. 1800 in the same time at 20% per annum at simple interest. Find the sum.
[A] Rs. 1700
[B] Rs. 1500
[C] Rs. 1650
[D] Rs. 1200
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3. A dealer marks his goods 20% above cost price and allows a discount of 10% to his customers. His gain percentage is ?
[A] 6%
[B] 7%
[C] 8%
[D] 9%
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4. Raja can do a piece of work in 20 days while ramesh can finish it in 25 days. Ramesh started working and Raja joined him after 10 days. The whole work is completed in ?
[A] 20 days
[B] 16 2/3 days
[C] 15 days
[D] 18 days
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5. 1008 divided by which single digit number gives a perfect square ?
[A] 7
[B] 8
[C] 9
[D] 4
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6. A right circular cone of height 20 cm and base radius 15 cm is melted and casted into smaller cones of equal sizes of height 5 cm and base radius 1.5 cm. The number of casted cones are ?
[A] 100
[B] 300
[C] 150
[D] 400
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7. A student starting from his house walks at a speed of 2 1/2 km/hour and reaches his school 7 minutes late. Next day starting at  the same time he increases his speed by 1 km/hour and reaches 6 minutes early. The distance between school and his house is ?
[A] 4 km
[B] 6 km
[C] 3 1/2 km
[D] 1 3/4 km
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8. The mean proportion of 1.21 and 0.09 is ?
[A] 3.03
[B] 0.03
[C] 0.33
[D] 3.3
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9. The value of .000441 is equal to ?
[A] 0.21
[B] 0.021
[C] 0.0021
[D] 0.00021
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10. A batsman makes a score of 87 runs in the 17th inning and thus increased his average by 3. Find his average after 17th inning.
[A] 90
[B] 84
[C] 39
[D] 87
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