SSC CGL Tier 1 :: QA Test 15
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# SSC CGL Tier 1 Quantitative Aptitude Questions and Answers Free Online Mock Test 15

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Exercise

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
 a b c d
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
 a b c d
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 (π=$22\over7$) --
 942.86 $cm^3$ 314.29 $cm^3$ 628.57 $cm^3$ 450.76 $cm^3$
4 . If the circumference of a circle increases from 4 π to 8 π , what change occurs in its area ?
 It doubles It triples It quadruples It is halved
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 ?
 28 minutes 48 seconds 51 minutes 12 seconds 51 minutes 24 seconds 28 minutes 36 seconds
6 .
 22$1°\over2$ 16° 54.8° 36°
7 . If the 'Printing-Cost' is  17500, the 'royalty' paid is –
  8750  7500  3150  6300
  6000  5500  4500  10500