511 . Read the pie-chart given below and answer the questions. Expenditure of a family on various items and savings during 2013.

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If the total income of the family during 2013 is Rs. 189000, the expenditure on clothing is -
A.  ₹ 34000
B.  ₹ 34020
C.  ₹ 34200
D.  ₹ 28600
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512 .
Ankit sells 30 bulbs for Rs. 400 which he bought at 16 bulbs for Rs. 250. Find his percentage gain or loss
A.  Profit 17.18%
B.  Loss 14 $2\over 3$ %
C.  Loss17.18%
D.  Profit 14 $2\over 3$ %
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513 .
List price of a sewing machine is Rs. 2,300. It is sold at a discount of 4%. Find the selling price of it
A.  ₹ 2200
B.  ₹ 2280
C.  ₹ 2180
D.  ₹ 2208
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514 .
A table is offered for Rs. 300 with 20% and 10% off. If in addition a discount of 5% is offered on cash payment, then cash price of the table is
A.  ₹ 240
B.  ₹ 216
C.  ₹ 210
D.  ₹ 205.20
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515 .
Area of the f loor of a cubical room is 48 sq.m. The length of the longest rod that can be kept in that room is
A.  6 m
B.  9 m
C.  12 m
D.  18 m
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516 .
A man saves Rs. 25 on the purchase of an article on which a discount of 20% is allowed. How much did the man pay ?
A.  ₹ 125
B.  ₹ 75
C.  ₹ 150
D.  ₹ 100
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517 .
The population of a village is 1,00,000. If the population increases at 10% per annum, then the population at the start of the third year is
A.  133100
B.  121000
C.  120000
D.  110000
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518 .
If the graph of given linear equations 3 + ky- 4 = 0 and k- 4y- 3x = 0 coincides with each other, then the value of k is
A.  3
B.  4
C.  - 3
D.  - 4
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519 .
From an aeroplane vertically above a straight road the angle of depressions of two consecutive kilometre stones on the same side are 30° and 45° . Then at what height the aeroplane is fyling ?
A.  2.22 km
B.  2.27 km
C.  2.365 km
D.  1.365 km
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520 .
The Shadow of a tower on ground level is increased by 30 cm, when the angle of depression by the sun changes from 60° to 30° . The height of the tower is -
A.  12 $\sqrt 3$ cm
B.  15 cm
C.  15 $\sqrt 3$ cm
D.  25 cm
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521 .
If (x+ 2) is a factor of (3 $x^ 5$ + 16$x ^ 4$ + 22$x ^ 3$ + 5$x ^ 2$ + kx), then find the value of k
A.  1
B.  2
C.  0
D.  3
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