Question

whatvis the worlds smallest ant??



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Answer 1

Answer:

the pharaoh ant is the world smallest ant consisting of 2mm

Answer 2

Answer:

Marks No. of students (f) Cumulative Frequency

0−10 5 5

10−20 9 14

20−30 16 30

30−40 22 52

40−50 26 78

50−60 18 96

60−70 11 107

70−80 6 113

80−90 4 117

90−100 3 120

n=120

On the graph paper, we plot the following points:

(10,5),(20,14),(30,30),(40,52),(50,78),(60,96),(70,107),(80,113),(90,117),(100,120).

(i) Median =(

2

n

)

th

term [∵n=120, even]

=

2

120

=60

th

term

From the graph 60

th

term =42

(ii) The number of students who obtained more than 75% marks in test

=120−110

=10.

Explanation:

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