Hssc Group ‘d’ Exam (Shift-II)

Total Questions: 90

41. Which of the following is a mechanical wave?

(1) Gamma ray
(2) Sound wave
(3) X-ray
(4) Radio waves

Correct Answer: (2) Sound wave

Solution:A mechanical wave is a wave that is an oscillation of matter, and therefore transfers energy through a medium. Sound is a mechanical wave (longitudinal wave). Gamma ray, X-ray and Radio waves are examples of electromagnetic waves.

42. Which of the following is incorrect with reference to Gandhiji and his association with various bodies?

(i) He was a member in Cripp's Commission.

(ii) He was a member in Central Legislative Council.

(iii) He was a member in Constituent Assembly.

Select the right one:

(1) (i) only
(2) (i) and (ii) only
(3) All the above
(4) (iii) only

Correct Answer: (3) All the above

Solution:Gandhi was not a member of Cripps's Mission or the Central Legislative Council. He was not even part of the Constituent Assembly. In the entire freedom struggle, he only once presided over the Indian National Congress (Belgaum session in December 1924).

43. If 3 tanA = 4, then value of

√1- sin A/1+cos A is

(1) 1/2√2
(2) 2√2
(3) 2√2/√3
(4) 2 + √3/2

Correct Answer: (1) 1/2√2

Solution:

3 tan A = 4

⇒ tan A = 4/3 = BC/AB

∴ AC = √3² + 4² = √9 + 16

= √25 = 5

∴ sin A = 4/5

cos A = 3/5

√1 - sin A/1 + cos A = √1 - 4/5 / 1 + 3/5

= √5-4/5+3

= 1/√8 = 1/2√2

44. If x²+ 4x + 4 is divided by (x + 2) then the remainder is

(1)-2
(2) 2
(3) 0
(4) None of these

Correct Answer: (3) 0

Solution:x²+ 4x + 4 = (X + 2)²

∴ (X + 2)²/X + 2 = X + 2

∴ Remainder = 0

45. The real foundation of the Sultanate dynasty was laid by

(1) Babur
(2) Ghori
(3) Qutb-ud-din-aibak
(4) Akbar

Correct Answer: (3) Qutb-ud-din-aibak

Solution:Qutb al-Din Aibak, a former Turkic Mamluk slave of Muhammad Ghori, was the real founder of the Sultanate dynasty. He was the first sultan of Delhi, and his Mamluk dynasty (slave dynasty) conquered large areas of northern India. The rulers of Mamluk dynasty ruled over Delhi from 1206 to 1290.

46. Four resistors 22, 40, 60 and 80 are connected in parallel. It is connected to a battery of 24V. Find the current through 6 resistor

(1) 4A
(2) 25A
(3) 144A
(4) 10A

Correct Answer: (1) 4A

Solution:

We known that the measure of current (I) is given by the product of potential difference between the conductors and the value of the resistance. That is, I = V R

So, after substituting the values of all the given parameters, we get I= 24/6 = 4 Ampere.

47. If 18th March falls on Wednesday, then 1st March was on

(1) Tuesday
(2) Sunday
(3) Saturday
(4) Monday

Correct Answer: (2) Sunday

Solution:18 March ⇒ Wednesday

Other Wednesdays ⇒ 4 and 11

∴ 1 March = Wednesday - 3 = Sunday

48. The Gram Panchayah works for_____ years.

(1) 7
(2) 6
(3) 5
(4) 4

Correct Answer: (3) 5

Solution:The term of Gram Panchayat is 5 years. The members of the Gram Panchayats have a tenure of five years and are directly elected from wardswhile the Sarpanch is elected by the members.Gram Panchayat is the lower tier of the Panchayati Raj functioning at the village level for welfare and development of the village.

49. HUDA means

(1) Human Development Authority
(2) Haryana Urban Development Authority
(3) Haryana Urban Destroy Authority
(4) Human Right Authority

Correct Answer: (2) Haryana Urban Development Authority

Solution:HUDA stands for Haryana Urban Development Authority. It is the urban planning agency of Haryana except Gurugram and Faridabad which has Gurugram Metropolitan Development Authority and Faridabad Metropolitan Development Authority respectively. It was established in 1977.

50. The radii of two circles are 12 cm and 4 cm respectively. The radius of the circle which has circumference equal to sum of the circumferences of the two circles is

(1) 8 cm
(2) 16 cm
(3) 6 cm
(4) None of these

Correct Answer: (2) 16 cm

Solution:(2) r₁ = 12 cm; r₂ = 4cm

Let required radius be R cm.

Sum of their circumferences

= 2π*12 + 2π * 4

= 24π+ 8π = 32π

∴ 32π = 2πR

∴ R = 32π/2π = 16

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