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TS Polycet (Polytechnic) 2019 Previous Question Paper with Answers And Model Papers With Complete Analysis

TS Polycet (Polytechnic) 2019 Previous Question Paper with Answers And Model Papers With Complete Analysis
TS Polycet (Polytechnic) Previous Year Question Papers And Model Papers:
While preparing for TS Polycet (Polytechnic), candidates must also refer to the previous year question papers of the same. Scoring well in TS Polycet (Polytechnic) and understanding weaknesses and strengths in the respective sections.

TS Polycet (Polytechnic) Previous Year Question Papers can be found on this page in PDF format. Students taking the exam to get into some of the best Polytechnic colleges/institutes in the state of Andhra Pradesh may practice these papers to get a clear idea of the structure of the exam, marking scheme, important topics, etc.

Section — I
MATHEMATICS

1)The HCF of 96 and 72

A) 96

B) 72

C) 24

D) None

View Answer

C) 24
Explanation:96 = 2 x2x2x2x2x3
72 = 2x2x2x3x3
∴HCF of 96 and 72 = 2 x 2 x 2 x 3 = 24

2)The LCM of 10, 20, 30

A) 10

B) 20

C) 30

D) None

View Answer

D) None
Explanation:∴L.C.M = 2 x 5 x 1 x 2 x 3 = 60

3)The HCF of 2³ x 3³ x 5² and 2² x 3 x 5³ is

A) 2³x3x5²

B) 2³x3³x5

C) 2² x 3 x 5²

D) None

View Answer

C) 2² x 3 x 5²
Explanation:H.C.F=22 x 3 x 52
= 4 x 3 x 25 = 300

4)The value of log_e√e

A) 0

B) 1

C) e

D) 1/2

View Answer

D) 1/2
Explanation:loge√e = log_e e^1/2 = 1/2 log_ee = ½ (1) = 1/2

5)log_ya x log_xy =

A) log_ay

B) log_xa

C) log_ax

D) log_ya

View Answer

B) log_xa
Explanation:log_ya x log_xy = log_xa

6)If A =(1, 2,3, 4, 5) and B = {4, 5, 6},- then find A⋂B.

A) A

B) B

C) {4,5}

D) {1,2,3}

View Answer

C) {4,5}
Explanation:A ={1,2, 3, 4, 5},B = {4, 5, 6)
A ⋂ B = {1, 2, 3, 4, 5} ⋂ {4, 5, 6) = {4, 5}

7)The cardinal number of set A = {1, 2, 4) is

A) 1

B) 4

C) 2

D) 3

View Answer

D) 3
Explanation:A ={1,2,4} =>n (A) = 3

8)The zeroes of quadratic polynomial x² – 2x – 8 is

A) 4,-2

B) 2,8

C) 1,-2

D) 1,-8

View Answer

A) 4,-2
Explanation:To find zeroes
x²-2x-8 = 0
x² – 4x + 2x – 8 = 0
x(x-4) + 2 (x-4) = 0
x – 4 = 0 or x + 2 = 0
x = 4 or x = -2

9)If x³ – 3 x² + 4x + k is exactly divisible by x-2, then k =

A) 4

B) -4

C) 0

D) 1

View Answer

B) -4
Explanation:f(x) = x³ -3 x² + 4x + k
f(2) = 0
=> (2)³ – 3(2)² + 4(2) + k= 0
=>8-12 + 8 + k = 0
=> k + 4 = 0 => k = —4

10)Solution of $\frac2x+\frac3y\;=\;13 and \frac5x-\frac4y\;=\;-2$

A) ( $\frac{-1}2,\frac{-1}3$ )

B) ( $\frac{-1}3,\frac{-1}2$ )

C) ( $\frac13,\frac12$ )

D) ( $\frac12,\frac13$ )

View Answer

D) ( $\frac12,\frac13$

)
Explanation: $\frac2x+\frac3y = \frac2{1/2}+\frac3{1/3}$

= 4+9 = 13
= $\frac5x-\frac4y\;=\;\frac5{1/2}-\frac4{1/3}$

= 10-12 = -2

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Section — I MATHEMATICS

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Section — I
MATHEMATICS