C DOT: Numerical Aptitude Questions (Paper 4 of 12)
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The difference between the place values of 7 in the numeral 574873 is

69930

59930

96390

69305

None of these
Answer: a


(387 * 387 + 114 * 114 + 2 * 387 * 114) = (?)

250001

251001

260110

261001

None of these
Answer: b


A trader has three types of oils: 400 litres and 465 litres, respectively. If he wants to fill them separately in tins of equal capacity, what is the least number so tins required?

42

21

7

84

None of these
Answer: a


The length and breadth of a room are 13m and 7.5m, respectively. The floor of the room is to be paved with square tiles of uniform size. Determine the length of the largest possible size of the tile.

1.0 m

0.5 m

1.5 m

5.0

6.0
Answer: b


If the unit digit in the product (459 * 46 * 28? * 484) is 2, the digit in place of? is

3

5

7

8

None of these
Answer: c


Which one of the following numbers is not a square of any natural number?

17956

18225

53361

63592

None of these
Answer: d


A third of Vinod's marks in mathematics exceeds a half of his marks in social studies by 30. If he got 240 marks in the two subjects together, how many marks did he get in social studies?

40

60

80

90

None of these
Answer: d


A class starts at 10 a. m. And lasts till 1.27 p. m. Four periods are held during this interval. After every period, 5 minutes are given free to the students. The exact duration of each period is

42 minutes

48 minutes

51 minutes

53 minutes

None of these
Answer: b


If (64) 2 (36) 2 = 20z, the value of z is

70

180

120

50

None of these
Answer: d


What number should replace both the asterisks in (?/21 *?/189) = 1?

21

63

147

3969

4968
Answer: b
