TNPSC Solved Question Papers Part 6 | Group 1, 2 ,3 ,4 Solved Questions

183. What is the value of the

following determinant?

8 3 2

11 4 3

14 5 4

A. 0 C. 10

B. 1 D. –15

184.

1

3 2

2 12

+ +

A. 5

19 B. 19

5 C. 4

5 D. 5

4

185. How many squares are there in

the given figure?

A. 10 B. 15 C. 8 D. 9

186. If the vertex of a parabola is

(2, 0) and the directrix is the

y-axis, then its focus is

A. (–2, 0) C. (–4, 0)

B. (4, 0) D. (3, 0)

187. If x

54

96

x = , find x

A. 72 C. 36

B. 27 D. 63

188. 0.5 0.5 0.5

0.4 0.1

+ × ?

+ =

A. 0.5 C. 0.75

B. 1.5 D. 0.05

189. If A is 1

3 and B is 1

2 of C then

A:B:C is

A. 1:3:6 C. 3:1:6

B. 2:3:6 D. 3:2:6

190. OA = 2i + j, and OB = i − j + k

are two vectors.The vector

perpendicular to both OA and

OB

is

A.

2i − j + k

C.

i − 2 −3k

B. 3 i + k D.

+ - k

191. How is 3

4 expressed as

percentage?

A. 0.75% C. 75%

B. 60% D. 7.5%

192. How is 1

2 % expressed as a

decimal fraction?

A. 0.5 C. 0.005

B. 0.05 D. 0.0005

193. 5

7 of 644=

A. 640 C. 1460

B. 460 D. none of these

194. If the day tomorrow is Sunday,

what was it yesterday?

A. Wednesday C. Friday

B. Thursday D. Saturday

195. If a clock strikes once at 1

O’clock, twice at 2 O’ clock, how

many times will it strike in 24

hours?

A. 156 C. 40

B. 78 D. 12

196. Complete the following series:

7, 8, 10, 13, 17, .........

A. 22 C. 30

B. 25 D. 40

197. The average of three numbers

is 28. The second number is

twice the first. The third number

is twice the second. The three

numbers in order are

A. 12, 24, 48

B. 24, 12, 48

C. 24, 20, 40

D. 20, 40, 24

198. For an auditorium 1

4 th of the

seats were occupied by boys and

3

8 th by girls. What percentage

of the audience consisted of

these children?

A. 62.5% C. 75%

B. 70% D. 80%

199. Choose the one which is

different from the rest three?

A. 11 C. 15

B. 13 D. 17

200. Area under normal curve

between Z = − ∞ and Z=0 is

A. 0.25 C. 0.50

B. –0.50 D. 0.75

183. What is the value of the

following determinant?

8 3 2

11 4 3

14 5 4

A. 0 C. 10

B. 1 D. –15

184.

1

3 2

2 12

+ +

A. 5

19 B. 19

5 C. 4

5 D. 5

4

185. How many squares are there in

the given figure?

A. 10 B. 15 C. 8 D. 9

186. If the vertex of a parabola is

(2, 0) and the directrix is the

y-axis, then its focus is

A. (–2, 0) C. (–4, 0)

B. (4, 0) D. (3, 0)

187. If x

54

96

x = , find x

A. 72 C. 36

B. 27 D. 63

188. 0.5 0.5 0.5

0.4 0.1

+ × ?

+ =

A. 0.5 C. 0.75

B. 1.5 D. 0.05

189. If A is 1

3 and B is 1

2 of C then

A:B:C is

A. 1:3:6 C. 3:1:6

B. 2:3:6 D. 3:2:6

190. OA = 2i + j, and OB = i − j + k

are two vectors.The vector

perpendicular to both OA and

OB

is

A.

2i − j + k

C.

i − 2 −3k

B. 3 i + k D.

+ - k

191. How is 3

4 expressed as

percentage?

A. 0.75% C. 75%

B. 60% D. 7.5%

192. How is 1

2 % expressed as a

decimal fraction?

A. 0.5 C. 0.005

B. 0.05 D. 0.0005

193. 5

7 of 644=

A. 640 C. 1460

B. 460 D. none of these

194. If the day tomorrow is Sunday,

what was it yesterday?

A. Wednesday C. Friday

B. Thursday D. Saturday

195. If a clock strikes once at 1

O’clock, twice at 2 O’ clock, how

many times will it strike in 24

hours?

A. 156 C. 40

B. 78 D. 12

196. Complete the following series:

7, 8, 10, 13, 17, .........

A. 22 C. 30

B. 25 D. 40

197. The average of three numbers

is 28. The second number is

twice the first. The third number

is twice the second. The three

numbers in order are

A. 12, 24, 48

B. 24, 12, 48

C. 24, 20, 40

D. 20, 40, 24

198. For an auditorium 1

4 th of the

seats were occupied by boys and

3

8 th by girls. What percentage

of the audience consisted of

these children?

A. 62.5% C. 75%

B. 70% D. 80%

199. Choose the one which is

different from the rest three?

A. 11 C. 15

B. 13 D. 17

200. Area under normal curve

between Z = − ∞ and Z=0 is

A. 0.25 C. 0.50

B. –0.50 D. 0.75

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