1 .The length of a plot is five times its breadth. A playground measuring 245 square metres occupies half of the total area of the plot. What is the length of the plot ?
A. $35\sqrt2$ metres
B. $173\sqrt2$ metres
C.490 metres
D.$5\sqrt2$ metres
Answer & Explanation
Answer : Option A |
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Explanation : |
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2 .The ratio of sides of a triangle is 3 : 4 : 5 and area of the triangle is 72 square unit. Then the area of an equilateral triangle whose perimeter is same as that of the previous triangle is –
A. $32\sqrt3$ square unit
B. $48\sqrt3$ square unit
C. 96 square unit
D. $60\sqrt3$ square unit
Answer & Explanation
Answer : Option B |
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Explanation : |
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3 .From a solid cylinder whose height is 12 cm and diameter 10 cm, a conical cavity of same height and same diameter of the base is hollowed out. The volume of the remaining solid is approximately (Ï€=$22\over7$) --
Answer & Explanation
Answer : Option C |
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Explanation : |
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4 .If the circumference of a circle increases from 4 π to 8 π , what change occurs in its area ?
Answer & Explanation
Answer : Option C |
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Explanation : |
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If circumference of circle increase from 4 π to 8 π means doubles then radius will also del udes as a resul t area wil l quadruples |
5 .Water flows at the rate of 10 metres per minute from a cylindrical pipe 5 mm in diameter. How long it take to fill up a conical vessel whose diameter at the base is 30 cm and depth 24 cm ?
Answer & Explanation
Answer : Option A |
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Explanation : |
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6 .
Answer & Explanation
Answer : Option D |
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Explanation : |
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Required angle = $10\over100$× 360° = 36° |
7 .If the 'Printing-Cost' is ` 17500, the 'royalty' paid is –
Answer & Explanation
Answer : Option B |
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Explanation : |
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Required royalty paid = $17500\over35$ x15 = 7500 |
8 .If the "miscellaneous expenses" are ` 6000. How much more are "binding and cutting charges" than "Royalty" ?
Answer & Explanation
Answer : Option C |
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Explanation : |
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9 .The central angle corresponding to the sector on "Printing Cost" is more than that of "Advertisement Charges" by –
Answer & Explanation
Answer : Option B |
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Explanation : |
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10 .The "Paper Cost" is approximately what percent of "Printing Cost" ?
Answer & Explanation
Answer : Option B |
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Explanation : |
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