Questions

Q:

In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.

Be in two minds

A) Behave smart at sometime and stupid at other. B) Unable to decide.
C) Having a split personality disorder. D) Trying to do two things at the same time.
 
Answer & Explanation Answer: B) Unable to decide.

Explanation:
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Q:

Find measure of central angle of the sector whose perimeter is 25 cm and radius of the circle is 7 cm?

A) 45° B) 22.5°
C) 135° D) 90°
 
Answer & Explanation Answer: D) 90°

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Q:

The 5th and 9th term of an arithmetic progression are 7 and 13 respectively. What is the 15th term?

A) 22 B) 21
C) 55 D) 59
 
Answer & Explanation Answer: A) 22

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Q:

Find the missing number from the given alternatives.

A) 60 B) 62
C) 64 D) 66
 
Answer & Explanation Answer: C) 64

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Q:

The force which makes a vehicle to stop when break is applied is called

A) gravitational force B) vander­walls force
C) frictional force D) co­valant force
 
Answer & Explanation Answer: C) frictional force

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Q:

A  photon  of  X-ray  has  energy  of  1  keV.  A photon of visible radiation has energy of 3 eV.  In  this  context,  which  one  of  the following statements is not correct?

A) The wavelength of X-ray photon is less than the wavelength of visible radiation photon. B) Both    the    photons    have    different energies.
C) The  speeds  of  both  the  photons  in vacuum are different D) The   frequency   of   X-ray   photon   is higher  than  the  frequency  of  visible radiation photon.
 
Answer & Explanation Answer: C) The  speeds  of  both  the  photons  in vacuum are different

Explanation:

The speed of all the electromagnetic radiation are always   same   and   equal   to   the numerical value 3 x 10^8m/sec.

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Q:

Find the power of a convex lens if the image formed is at a distance of 16 cm from the lens when the object is placed on the other side of the lens at 20 cm from the optical centre?

A) -3.75 diopters B) -11.25 diopters
C) 3.75 diopters D) 11.25 diopters
 
Answer & Explanation Answer: D) 11.25 diopters

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Q:

In the following passage some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.


Instead of finding the root cause of_________ of Indians, the British government took to more ____________ measures. Under the Defense of India Act, it gave more power to the police to arrest persons to stop processions with ____________ movements and actions. The Act brought in the Central Legislative Assembly was defeated by one vote. Even then it was to be passed in the form of an ordinance in the "interest of the public." Bhagat Singh who was in hiding all this while, volunteered to throw a bomb in the Central Legislative Assembly where the meeting to pass the ordinance was being held. It was a carefully laid out _________, not to cause death or injury but to _____________ the attention of the government, that the modes of its suppression could no more be tolerated. It was decided that Bhagat Singh and Batukeshwar Dutt would court arrest after throwing the bomb.


to arrest persons to stop processions with ____________ movements and actions.

A) out of the ordinary B) suspicious
C) cautious D) skeptical
 
Answer & Explanation Answer: B) suspicious

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