CAT Practice Question and Answer
8Q: If 6 engines consume 24 metric tonnes of coal, when each is working 8 hours day, how much coal will be required for 9 engines, each running 13hours a day, it being given that 2 engines of former type consume as much as 3 engines of latter type ? 3373 05b5cc723e4d2b4197774f672
5b5cc723e4d2b4197774f672- 145 metric tonnestrue
- 247 metric tonnesfalse
- 355 metric tonnesfalse
- 434 metric tonnesfalse
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Answer : 1. "45 metric tonnes"
Explanation :
Answer: A) 45 metric tonnes Explanation: 2 engines of former type for one hour consumes (2 x 24)/(6 x8) = 1 metric ton i.e. 3 engines of latter type consumes 1 ton for one hour Hence 9 engines consumes 3 tons for one hour For 15 hours it is 15 x 3 = 45 metric tonnes.
Q: A girl counted in the following way on the fingers of her left hand : She started by calling the thumb 1, the index finger 2, middle finger 3, ring finger 4, little finger 5 and then reversed direction calling the ring finger 6, middle finger 7 and so on. She counted upto 1995. She ended counting on which finger ? 2753 05b5cc723e4d2b4197774f66d
5b5cc723e4d2b4197774f66d- 1Thumbfalse
- 2Index fingerfalse
- 3Ring fingerfalse
- 4Middle fingertrue
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Answer : 4. "Middle finger"
Explanation :
Answer: D) Middle finger Explanation: Clearly, while counting the numbers associated to the thumb will be 1,9,17,25,.........i.e., numbers of the form (8n + 1 ).where n=1,2,3...Since 1994 = 249 × 8 + 2, so 1993 shall correspond to the thumb and 1994 to the index finger and 1995 to the middle finger.
Q: The coldest planet in the solar system is ? 2036 05b5cc723e4d2b4197774f663
5b5cc723e4d2b4197774f663- 1Venusfalse
- 2Jupiterfalse
- 3Uranustrue
- 4Plutofalse
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Answer : 3. "Uranus"
Explanation :
Answer: C) Uranus Explanation:
Q: What is the least number of squares tiles required to pave the floor of a room 15 m 17 cm long and 9 m 2 cm broad ? 1205 05b5cc723e4d2b4197774f65e
5b5cc723e4d2b4197774f65e- 1844false
- 2814true
- 3840false
- 4820false
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Answer : 2. "814"
Explanation :
Answer: B) 814 Explanation: Length of largest tile = H.C.F. of 1517 cm and 902 cm = 41 cm.Area of each tile = (41 x 41) sq.cm Required number of tiles =1517 x 902/(41 x 41) = 814.
Q: 88 cubic centimetres of silver is drawn into a wire 1 mm in diameter. The length of the wire in metres will be ? 1995 05b5cc723e4d2b4197774f659
5b5cc723e4d2b4197774f659- 1112 mtsfalse
- 284 mtstrue
- 396 mtsfalse
- 4108 mtsfalse
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Answer : 2. "84 mts"
Explanation :
Answer: B) 84 mts Explanation: Vol of silver = πR2h = 66 C.C Given D= 1mm => R = D/2 = 1/20 cm => 227×1202×h = 66 = 66 x 400 x (7/22) = 8400 cm = 84 mtrs.
Q: Statement: The experts group on Technical Education has stressed that Computer Education should be provided to children from primary school itself. It should be implemented in urban and rural school, simultaneously. Courses of action:a) Government should issue instructions to all school for Computer Education.b) At least one teacher of each school should be trained in Computer operations for teaching children. 5268 05b5cc723e4d2b4197774f654
5b5cc723e4d2b4197774f654- 1Both a and b followstrue
- 2Only a followsfalse
- 3Only b followsfalse
- 4Neither a nor b followsfalse
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Answer : 1. "Both a and b follows"
Explanation :
Answer: A) Both a and b follows Explanation: Both are the right courses of action for effective implementation of Computer Education at primary level urban and rural schools.
Q: Find out the wrong number in the following series ? 2880, 480, 92, 24, 8, 4, 4 2009 05b5cc720e4d2b4197774f64f
5b5cc720e4d2b4197774f64f- 1480false
- 292true
- 324false
- 44false
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Answer : 2. "92"
Explanation :
Answer: B) 92 Explanation: The given series of numbers follow the rule that, 2880/6 = 480480/5 = 9696/4 = 2424/3 = 88/2 = 44/1 = 4 But 92 is not in the rule. It is the wrong number in the given series.
Q: About who was it said " Age cannot wither her nor custom stale her infinite variety " ? 1699 05b5cc720e4d2b4197774f64a
5b5cc720e4d2b4197774f64a- 1Cleopatratrue
- 2Benazir Buttofalse
- 3Mother Teresafalse
- 4Madame Tussaudfalse
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Answer : 1. "Cleopatra"
Explanation :
Answer: A) Cleopatra Explanation: