NDA MATHS QUESTION BANK

intervals, what is the diagram called?
(a) Ogive (b) Frequency polygon (c)
Pie diagram (d) Histogram

51. Square diagrams are drawn to
    represent the following data

Country Pakist

an

Ind

ia

Myan

mar

Chi
na
Labour
Product
ion
(Rupees
)

36 81 25 100

Using the scale 1 = Rs. 25 what is
the length of the representative square

for India?

(a) 1.8 cm (b) 1.2 cm (c) 1 cm (d) 2

cm

52. The following observation have
    been arranged in ascending order
    29, 32, 48, 52, x, x + 3, 71, 75, 80, 92
    If the median of data is 61.5, then what
    is the value of x?
    (a) 54 (b) 60 (c) 62 (d) 56


53. If means of y and^ is M, then what
    is the mean of and?

(a)^ (^

(^) )
(b)^
(^) (c) (d)
M(4 )