Practice Question and Answer
8 Q: The ratio of the volume of right circular cylinder and a right circular cone of the same base and height will be:
1729 05efeb1ddeb90be58c5960aa0
5efeb1ddeb90be58c5960aa0- 11:3false
- 22:3false
- 33:2false
- 43:1true
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Answer : 4. "3:1"
Q: If ax - 4y = -6 has a slope of -3 / 2. What is the value of a?
1729 05f02e89626eeb3205727fe03
5f02e89626eeb3205727fe03- 13false
- 2-6false
- 36true
- 4-3false
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Answer : 3. "6 "
Q: An Aeroplan is flying horizontally at a height of 1.8 km above the ground. The angle of elevation of plane from point X is 60° and after 20 seconds, its angle of elevation from X becomes 30°, If point X is on ground, then what is the speed (in km / hr.) of Aeroplan?
1729 05f0c2f546d43556009431d91
5f0c2f546d43556009431d91- 1201√3false
- 2305√3false
- 3216√3true
- 4105√3false
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Answer : 3. "216√3 "
Q: What is the source of energy and substances in humans?
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5f191f8390e8777587b679b9- 1Suryaprakashfalse
- 2waterfalse
- 3gasfalse
- 4foodtrue
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Answer : 4. "food"
Q: A plan flies a distance of 1800 km in 5 hours. What is its average speed in meters/second?
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5f2a701dcef453383f1e5e9f- 1200false
- 210false
- 320false
- 4100true
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Answer : 4. "100"
Q: When was the Bharatiya Janata Party founded?
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5f2bb57eb57ade01cafa4800- 115 August 1947false
- 26 April 1980true
- 326 January 1950false
- 4Othersfalse
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Answer : 2. "6 April 1980"
Q: Four dice are thrown simultaneously. Find the probability that two of them show the same face and remaining two show the different faces. 1729 05b5cc7d1e4d2b4197775125e
5b5cc7d1e4d2b4197775125e- 14/9false
- 25/9true
- 311/18false
- 47/9false
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Answer : 2. "5/9"
Explanation :
Answer: B) 5/9 Explanation: Select a number which ocurs on two dice out of six numbers (1, 2, 3, 4, 5, 6). This can be done in C16, ways. Now select two distinct number out of remaining 5 numbers which can be done in C25 ways. Thus these 4 numbers can be arranged in 4!/2! ways. So, the number of ways in which two dice show the same face and the remaining two show different faces is C16×C25×4!2!=720 => n(E) = 720 ∴PE=72064=59
Q: Select the most appropriate synonym of the given word.
FASCINATING
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605a9409c5c99d2cb7f25ed8FASCINATING
- 1appealingtrue
- 2stupidfalse
- 3tiringfalse
- 4boringfalse
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