Quiz about Practice Quiz

Question 1

A list of numbers -10, -6, -2, 2 is _________

Accepted Answer

an A.P with d = 4

Answer

an A.P with d = -16

Answer

an A.P with d = -4

Answer

Not an A.P

Question 2

The first four terms of an Arithmetic Progression whose first term is -2 and the common difference is -2 is _____

Accepted Answer

-2, -4, -6, -8

Answer

-2, 0, 2, 4

Answer

-2, 4, -8, 16

Answer

-2, -4, -9, -16

Question 3

The common difference of the Arithmetic Progression 0.2, -0.3, -0.8, ..... is

Accepted Answer

-0.5

Answer

0.3

Answer

0.5

Answer

-0.2

Question 4

In an Arithmetic Progression, common difference d = 3, then t₅ - t₇ is equal to ____

Accepted Answer

-6

Answer

2

Answer

-2

Answer

6

Question 5

Question 5.

Accepted Answer

C

Answer

A

Answer

B

Answer

D

Question 6

Question 6.

Accepted Answer

B

Answer

A

Answer

C

Answer

D

Question 7

Question 7.

Accepted Answer

B

Answer

A

Answer

C

Answer

D

Question 8

Question 8.

Accepted Answer

C

Answer

A

Answer

B

Answer

D

Question 9

Question 9.

Accepted Answer

C

Answer

A

Answer

B

Answer

D

Question 10

In triangle ABC, BC = 5 cm, AB =13 cm ,then cos B is

Accepted Answer

5/13

Answer

12/13

Answer

5/12

Answer

12/5

Question 11

Question 11.

Accepted Answer

C

Answer

A

Answer

B

Answer

D

Question 12

Question 12.

Accepted Answer

B

Answer

A

Answer

C

Answer

D

Question 13

Question 13.

Accepted Answer

B

Answer

A

Answer

C

Answer

D

Question 14

Question 14.

Accepted Answer

C

Answer

A

Answer

B

Answer

D

Question 15

Question 15.

Accepted Answer

C

Answer

A

Answer

B

Answer

D

Question 16

In triangle ABC, BC = 5 cm, AB =13 cm ,then cos B is

Accepted Answer

5/13

Answer

12/13

Answer

5/12

Answer

12/5

Question 17

Is the sequence arithmetic: 78, 785, 7855, 78555, ...

Accepted Answer

No

Answer

Yes

Question 18

Find the common difference: -34, -29, -24, -19, ...

Accepted Answer

d = 5

Answer

d = -5

Answer

d = -6

Answer

d = 6

Question 19

Find the next three terms in the arithmetic sequence: -33, -24, -15, -6, ...

Accepted Answer

3, 12, 21

Answer

-1, 7, 15

Answer

-5, 2, 9

Answer

-65, -73, -81

Question 20

Find the 26th term in the arithmetic sequence: 20, 26, 32, 38, ...

Accepted Answer

170

Answer

182

Answer

176

Answer

-118

Question 21

If 4, x₁,x₂,x₃,28 are in AP then x₃ is ______

Accepted Answer

22

Answer

19

Answer

23

Answer

cannot be determined.

Question 22

The sum of first 'n' terms of an AP is (3n²+6n). The common difference of the AP is ______

Accepted Answer

6

Answer

9

Answer

15

Answer

-3

Question 23

The 5^th term of an AP is -3 and its common difference is -4. The sum of its first 10 terms is_________

Accepted Answer

-50

Answer

50

Answer

30

Answer

-30

Question 24

The 13^th term of an AP is 4 times its 3^rd term. If its 5^th term is 16 then the sum of its first ten terms is _______

Accepted Answer

175

Answer

150

Answer

160

Answer

135

Question 25

Which term of an AP 72, 63, 54, ...... is 0 ?

Accepted Answer

9th

Answer

8th

Answer

10th

Answer

11th

Question 26

What is the common difference of an AP in which a₁₈ - a₁₄ = 32?

Accepted Answer

8

Answer

-8

Answer

4

Answer

-4

Question 27

If 7 times the 7th term of an AP is equal to 11 times its 11th term, then its 18th term will be

Accepted Answer

0

Answer

7

Answer

11

Answer

18

Question 28

$10^{th}$ term of the AP y, y + 2, y + 4 , ... is 16, find the value of y.

Accepted Answer

-2

Answer

-4

Answer

0

Answer

2

Question 29

How many terms of the AP 2, 7, 12, ... will add up to 156?

Accepted Answer

8

Answer

7

Answer

9

Answer

10

Question 30

The sum of the first 11^th term of an AP is 120, and the sum of the first 12^th term is 132. Find the value of the 12^th term.

Accepted Answer

12

Answer

-12

Answer

32

Answer

-32

Question 31

The first three terms of an AP are -2, -4, -6, .... Find the sum of the 25 terms after the 3^rd term.

Accepted Answer

-800

Answer

-812

Answer

-788

Answer

-650

Question 32

How many multiples of 4 lie between 10 and 250

Accepted Answer

60

Answer

64

Answer

56

Answer

70

Question 33

Is the sequence arithmetic: 78, 785, 7855, 78555, ...

Accepted Answer

No

Answer

Yes

Question 34

This is not one of the measures of central tendency.

Accepted Answer

O-give curve

Answer

Mean

Answer

Median

Answer

Mode

Question 35

While computing Mean of grouped data, we assume that the frequencies are

Accepted Answer

Centred at the class marks of the classes

Answer

Evenly distributed over all the classes

Answer

Centred at the upper limits of the classes

Answer

Centred at the lower limits of the classes

Question 36

The abscissa of the point if intersection of the less than type and more than type O-give curves of a grouped data gives its

Accepted Answer

Median

Answer

Mean

Answer

Mode

Answer

All of these

Question 37

For the following distribution, the sum of lower limits of the median class and modal class is

Accepted Answer

25

Answer

15

Answer

30

Answer

35

Question 38

Consider the following frequency distribution table,

The upper limit of the median class is

Accepted Answer

17.5

Answer

7

Answer

18

Answer

18.5

Question 39

For the following distribution,

The modal class is..

Accepted Answer

30-40

Answer

10-20

Answer

20-30

Answer

40-50

Question 40

Calculate the mean of the following data

Accepted Answer

5.5

Answer

15

Answer

7

Answer

10

Question 41

Calculate the mean of the scores of 20 students in a mathematics test35

Accepted Answer

35

Answer

30

Answer

20

Answer

40

Question 42

The method to calculate mean using this formula is called..

Accepted Answer

Step-deviation method

Answer

Direct method

Answer

Assumed mean method

Answer

Alternate method

Question 43

This is the formula to calculate

Accepted Answer

Mode

Answer

Average/mean

Answer

Median

Answer

Deviation

Question 44

Curved Surface Area of a Solid Shape is

Accepted Answer

Perimeter of the Base X Height

Answer

Area of the Base X Height

Question 45

Volume of a Solid Shape is

Accepted Answer

Area of the Base X Height

Answer

Perimeter of the Base X Height

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