TS Polycet (Polytechnic) 2022 Previous Question Paper with Answers And Model Papers With Complete Analysis

46) From the below figure the value of ‘x’=

A) 2021cm
B) 2022cm
C) 2220cm
D) 2020cm

View Answer

D) 2020cm

Explanation:Use triangle similarity (proportions) or direct ratio from figure:
From proportions, x = 2020 cm

47) The median of -4,-6,-5,3,0,5 and 11 is

A) 4
B) -6
C) 3
D) 0

View Answer

D) 0

Explanation:Arrange: -6, -5, -4, 0, 3, 5, 11 ⇒ median is middle value = 0

48) Average of 11 numbers is 10.5; If one of the number 9 is deleted, then the average of the remaining numbers is

A) 10.1
B) 10.5
C) 9.5
D) 10.65

View Answer

D) 10.65

Explanation:Total sum = 11×10.5 = 115.5.After removing 9: 115.5 – 9 = 106.5
New average = 106.5 / 10 = 10.65

49) When two dice are rolled the probability of getting same odd number on two dice is

A) $\frac1{12}$
B) $\frac1{18}$
C) $\frac1{15}$
D) $\frac1{16}$

View Answer

A) $\frac1{12}$

Explanation:Same odd number on both dice ⇒ possible values: (1,1), (3,3), (5,5) ⇒ 3 outcomes
Total outcomes = 36 ⇒ Probability = 3/36 = 1/12

50) A bag contains ‘4’ black balls and ‘6″ red balls. If one ball is drawn at random, then the probability of getting red ball is

A) $\frac58$
B) $\frac35$
C) $\frac12$
D) $\frac1{56}$

View Answer

B) $\frac35$

Explanation:Total balls = 4 + 6 = 10 ⇒ Probability of red = 6/10 = 3/5

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