Questions

Q:

If price of an article decreases from Rs 600 to Rs 500, when quantity demanded increases from 10000 units to 12000 units. Find point elasticity of demand?

A) -1.2 B) 1.2
C) -1.5 D) 1.5
 
Answer & Explanation Answer: A) -1.2

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Q:

The force of friction between two surfaces will increase if:

A) a layer of lubricant is kept between the two surfaces B) the two surfaces are pressed harder
C) air gap is created between the two surfaces D) irregularities on both the surfaces are removed
 
Answer & Explanation Answer: B) the two surfaces are pressed harder

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Q:

Which one of the following statements about reusable space vehicle of ISRO is not correct?

A) In June 2016, ISRO successfully launched India’s first reusable space vehicle. B) The space vehicle was launched from Satish Dhawan Space Centre at Sriharikota in Andhra Pradesh.
C) The reusable launch vehicle climbed to a height of 65 km before automatically steering back for landing. D) The vehicle was initially boosted by a rocket that contained liquid fuel.
 
Answer & Explanation Answer: A) In June 2016, ISRO successfully launched India’s first reusable space vehicle.

Explanation:

May 23, 2016 ISRO successfully flight-tested India’s first winged body aerospace vehicle operating in hypersonic flight regime. In this experimental mission, the HS9 solid rocket booster carrying RLV-TD lifted off from the First Launch Pad at Satish Dhawan Space Centre, Sriharikotaat 07:00 hr IST. After a successful flight of 91.1second, HS9 burn out occurred, following which both HS9 and RLV-TD mounted on its top coasted to a height of about 56 km. At that height, RLV-TD separated from HS9 booster and further ascended to a heightof about 65 km.

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Q:

Which Indian female mountaineer recently created the fastest record of scaling Mount Everest back-to-back twice within 5 days?

A) Anshu Jamsenpa B) Arunima Sinha
C) Premlatha Agarwal D) Bachedri Pal
 
Answer & Explanation Answer: A) Anshu Jamsenpa

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Q:

In December 2017, who launched ‘Livestock Disease Forewarning – Mobile Application (LDF-Mobile App)’?

A) J. P. Nadda B) Radha Mohan Singh
C) Ram Vilas Paswan D) Harsimrat Kaur Badal
 
Answer & Explanation Answer: B) Radha Mohan Singh

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Q:

Evaporation of water takes place in which part of plants?

A) Stem B) Stomata
C) Branch D) Fruit
 
Answer & Explanation Answer: B) Stomata

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Q:

Calculate the work done by the force of gravity when a satellite moves in an orbit of radius 40,000 km around the earth.

A) 8,000 J B) 4,00,000 J
C) 0 J D) 4,000 J
 
Answer & Explanation Answer: C) 0 J

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Q:

"Trade unions" is listed in the __________ list given in the Seventh Schedule of the Constitution of India.

A) Union B) State
C) Global D) Concurrent
 
Answer & Explanation Answer: D) Concurrent

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