Question

A number having 0 , 1 , 4 , 5 , 6 or 9 at its unit place is always a/an

(1 Point)

odd number

prime number

square number

none of the above

5.Which of the following numbers has an even number as its square

(1 Point)

93

95

45

36

6.The smallest number by which 252 should be divided to get a perfect square is

(1 Point)

5

6

7

8

7.√3025 is equal to

(1 Point)

35

45

55

65

8.What will be unit digit of the square of 987

(1 Point)

9

8

7

none of these

9.What least number must be subtracted from 594 to make it a perfect square?

(1 Point)

36

18

28

45

10.Which of the following is a Pythagorean triplet

(1 Point)

d. (12,13,15)

a. (3,5,7)

b. (6,8,9)

c. (6,8,10)

11.In how many steps we get zero when we find square root of 196 by repeated subtraction method by successive odd numbers (starting from 1)

(1 Point)

15

14

13

12

12.Find the smallest whole number which should be multiplied with 1008 so as to get a perfect square and also find the square root of the square number so obtained

(1 Point)

7,42

5,30

7,84

3,78

13.In the interval 35-45, 45 is called

(1 Point)

Upper limit

Lower limit

Range

Frequency

14.The number of times a particular observation occurs in a given data is called:

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I. Its range

II. Its frequency

III. Its mean

IV. None of these

15.The class size of the class 20-30 is:

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I. 30

II. 20

III. 10

IV. 5

16.Probability of sure event is –

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1

0

may be 1 or 0

none of the above

17.An event which never happens is called –

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a. Impossible event

b. sure event

c. zero event

d. cannot say

18.Probability of getting an even number when a dice is thrown is

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6

2/6

1/6

1/2

19.In this type of Graph relationship between parts of whole is shown

(1 Point)

pictograph

bar graph

circle graph

​

Answer 1

4) - none of the above

5) - 36

6) - 7

7) - 55

8) - 9

9) - 28

10) - (6, 8, 10)

11) - 14

12) - 7,84

13) - upper limit

14) - It's frequency

15) - 10

16) - may be 1 or 0

17) - zero event

18) -1/6

19) - circle graph