Practice Question and Answer
8 Q: A hemispherical cup of radius 4 cm is filled to the brim with coffee. The coffee is then poured into a vertical cone of radius 8 cm and height 16 cm. The percentage of the volume of the cone that remains empty is:
1865 05d70a88b56d6e076952aefba
5d70a88b56d6e076952aefba- 187.5%true
- 280.5%false
- 381.6%false
- 488.2%false
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Answer : 1. "87.5%"
Q:In these questions read each sentence to find out whether there is any error in it. If there is no error, the answer is (D).
There is plenty (A) / of places for (B) / improvement in this article. (C) / No error (D)
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5f33798e7bd3dc09197a95a2- 1Afalse
- 2Btrue
- 3Cfalse
- 4Dfalse
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Answer : 2. "B"
Q: Which of the following won the first-ever Khelo India Ice Hockey Championship?
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5e437bf7233b922c447784e0- 1Ladakh Scoutstrue
- 2ITBPfalse
- 3BSFfalse
- 4CISFfalse
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Answer : 1. "Ladakh Scouts"
Q: After the battle of ___________ in 1757, the British achieved political power in India.
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5f572a4ddf171125cbc217b8- 1Aliwalfalse
- 2Saragarhifalse
- 3Plasseytrue
- 4Buxarfalse
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Answer : 3. "Plassey"
Q: The LCM of two positive integers is twice the larger number. The difference of the smaller number and the GCD of the two numbers is 4. The smaller number is:
1865 05f1586ebcf79540a75349126
5f1586ebcf79540a75349126- 18true
- 210false
- 312false
- 46false
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Answer : 1. " 8 "
Q: The ratio of speeds of a car, a train and a bus is 5:9:4. The average speed of the car, the bus and the train is 72 km/hr together. What is the average speed of the car and the train together ? 1865 05b5cc736e4d2b4197774f83c
5b5cc736e4d2b4197774f83c- 184 km/hrtrue
- 296 km/hrfalse
- 372 km/hrfalse
- 460 km/hrfalse
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Answer : 1. "84 km/hr"
Explanation :
Answer: A) 84 km/hr Explanation: Let the speeds of the car, train and bus be 5x, 9x and 4x km/hr respectively.Average speed = 5x + 9x + 4x/3 = 18x /3 = 6x km/hr.Also, 6x = 72 => x = 12 km/hrTherefore, the average speed of the car and train together is = 5x+9x2= 7x = 7 x 12 = 84 km/hr.
Q: Which union territory has given its approval for the implementation of Film Policy-2021?
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613609b85ee3b079c6010032- 1Jammu and Kashmirtrue
- 2Ladakhfalse
- 3Chandigarhfalse
- 4Puducherryfalse
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Answer : 1. "Jammu and Kashmir"
Q: Which state assembly has recently passed anti-mob lynching bill?
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5d6f814f8b0fee46401c22b0- 1Haryanafalse
- 2Rajasthantrue
- 3Chhattisgarhfalse
- 4Maharashtrafalse
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