Question

1. If there are 1024 relations from a set A={1,2,3,4,5) to a set B, then the number of
elements in B is
c) 4
d) 8
a) a +8d
a) 3
b) 2
2. If a and d are the first term and common difference of an A.P, then the 8ih term is
b) a-8d
c) a -70
d) a +7d.
3. If the HCF of 65 and 117 is expressible in the form of 65m-117, then the value of mis
a) 4
b) 2
4. An. A.P consists of 31 terms. If its 16th term is m, then the sum of all the terms of this
A.P is
c) 1
d) 3
a) 16 m
31
b) 62 m
c) 31m.
2
5. If (x-6) is the HCF of x2 - 2x - 24 and x2 – kx-6, then the value of k is
a) 3
b) 5.
c) 6
d) 8
6. The values of a and b if 4x4 - 24x3 + 76x2 + ax + b is a perfect square are
a) 100, 120
b) 10, 12
c) -120, 100 d) 12, 10
7. If in A ABC, DE || BC.AB = 3.6 cm, AC = 2.4 cm and AD= 2.1 cm, then the length of
AE is
a) 1.4 cm
b) 1.8 cm
c) 1.2 cm
d) 1.05 cm
​

Answer 1

Answer:

If there are 1024 relations from a set A={1,2,3,4,5) to a set B, then the number of

elements in B is

c) 4

d) 8

a) a +8d

a) 3

b) 2

2. If a and d are the first term and common difference of an A.P, then the 8ih term is

b) a-8d

c) a -70

d) a +7d.

3. If the HCF of 65 and 117 is expressible in the form of 65m-117, then the value of mis

a) 4

b) 2

4. An. A.P consists of 31 terms. If its 16th term is m, then the sum of all the terms of this

A.P is

c) 1

d) 3

a) 16 m

31

b) 62 m

c) 31m.

2

5. If (x-6) is the HCF of x2 - 2x - 24 and x2 – kx-6, then the value of k is

a) 3

b) 5.

c) 6

d) 8

6. The values of a and b if 4x4 - 24x3 + 76x2 + ax + b is a perfect square are

a) 100, 120

b) 10, 12

c) -120, 100 d) 12, 10

7. If in A ABC, DE || BC.AB = 3.6 cm, AC = 2.4 cm and AD= 2.1 cm, then the length of

AE is

a) 1.4 cm

b) 1.8 cm

c) 1.2 cm

d) 1.05 cm

If there are 1024 relations from a set A={1,2,3,4,5) to a set B, then the number of

elements in B is

c) 4

d) 8

a) a +8d

a) 3

b) 2

2. If a and d are the first term and common difference of an A.P, then the 8ih term is

b) a-8d

c) a -70

d) a +7d.

3. If the HCF of 65 and 117 is expressible in the form of 65m-117, then the value of mis

a) 4

b) 2

4. An. A.P consists of 31 terms. If its 16th term is m, then the sum of all the terms of this

A.P is

c) 1

d) 3

a) 16 m

31

b) 62 m

c) 31m.

2

5. If (x-6) is the HCF of x2 - 2x - 24 and x2 – kx-6, then the value of k is

a) 3

b) 5.

c) 6

d) 8

6. The values of a and b if 4x4 - 24x3 + 76x2 + ax + b is a perfect square are

a) 100, 120

b) 10, 12

c) -120, 100 d) 12, 10

7. If in A ABC, DE || BC.AB = 3.6 cm, AC = 2.4 cm and AD= 2.1 cm, then the length of

AE is

a) 1.4 cm

b) 1.8 cm

c) 1.2 cm

d) 1.05 cm

Answer 2

Answer:

2nd question Answer =a+7d