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Q .1 If LCM (21,35) = 105 then HCF (21 , 35 ) is . *
1 point
21
15
7
5
Q .2 Which of the following pairs of numbers is coprime . *
1 point
16,21
26,78
14,35
24,32
Q .3 If the zeroes of a quadratic polynomial are 5 and -4 then polynomial is . *
1 point

Option 1

Option 2

Option 3

Option 4
Q .4 The Roots of the equations are . *
1 point

-2 , 2/3
2 , -2/3
-2 , 3/2
2 , 2/3
Q .5 What is the value of x , If *
1 point

60 degree
20 degree
45 degree
30 degree
Q .6 The volume of two sphere are in the ratio 27:28 then ratio of their surface area is . *
1 point
3 : 2
2 : 3
4 : 9
9 : 4
Q .7 The curved surface area of cylinder 440 square cm and its volume is 1540 cubic cm , radius of the cylinder is . *
1 point
7 cm
14 cm
28 cm
35 cm
Q .8 The range of the data 25,18,20,22,16,6,17,12,30,32,19,8,11,20 is . *
1 point
20
16
18
26
Q .9 Three unbiased coins are tossed what is the probability of gatting at lest 2 heads . *
1 point
1 / 2
1 / 4
3 / 4
3 / 8
 
This is a required question
Q .10 If E be an event such that p ( E ) = x / 15 and p ( not E ) = 3 / 5 then value of x is . *
1 point
4
6
9
15
Q .11 What is the value of K if one root of the polynomial is reciprocal of the other *
2 points

-3
-10
0
3
 
This is a required question
Q .12 What is the value of K if quadratic equation has equal roots *
2 points

- 4
4
8
- 8
Q .13 What is the value of LC of a triangle ABC in which LB=90 degree , AC = 2 cm and *
2 points

30 degree
60 degree
45 degree
90 degree
Q .14 A cone a hemisphere and a cylinder stand on equal bases and have the same heights , the ratio of their volumes is . *
2 points
1 : 2 : 3
2 : 1 : 3
2 : 3 : 1
3 : 2 : 1
Q .15 If the mode of a data is 18 and mean is 24 , then median is . *
2 points
18
24
22
21
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