CAT Practice Question and Answer
8Q: The price of commodity X increases by 60 rupees every year, while the price of commodity Y increases by 20 rupees every year. If in 2002, the price of commodity X was Rs. 320 and that of Y was Rs. 740, in which year commodity X will cost 60 rupees more than the commodity Y ? 1726 05b5cc720e4d2b4197774f645
5b5cc720e4d2b4197774f645- 12011false
- 22014true
- 32012false
- 42017false
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Answer : 2. "2014"
Explanation :
Answer: B) 2014 Explanation: If After p years , commodity X will cost 60 rupees more than the commodity Y, then 320 + 60p = 740 + 20p + 60=> p = 12 So in year (2002 + 12 = 2014), commodity X will cost Rs.60 more than the commodity Y.
Q: A wheel that has 6 cogs is meshed with a larger wheel of 14 cogs. When the smaller wheel has made 21 revolutions, then the number of revolutions made by the larger wheel is ? 1509 05b5cc720e4d2b4197774f640
5b5cc720e4d2b4197774f640- 111false
- 27false
- 39true
- 413false
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Answer : 3. "9"
Explanation :
Answer: C) 9 Explanation: Here the number of cogs is inveresly proportional to number of revolutions => More cogs less revolution=> 6 : 14 :: x : 21=> (21x6)/14 = 9
Q: Although Blind, Deaf and Dumb, She graduated from college and achieved high distinction as a writer and scholar. Who was she ? 2691 05b5cc720e4d2b4197774f63b
5b5cc720e4d2b4197774f63b- 1Anna Povafalse
- 2Samantha Foxfalse
- 3Sheila Gujralfalse
- 4Helen Kellertrue
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Answer : 4. "Helen Keller"
Explanation :
Answer: D) Helen Keller Explanation:
Q: At a dinner party every two guests used a bowl of rice between them, every three guests used a bowl of dal between them and every four used a bowl of meat between them. There were altogether 65 dishes. How many guests were present at the party ? 2397 05b5cc720e4d2b4197774f636
5b5cc720e4d2b4197774f636- 160true
- 274false
- 382false
- 458false
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Answer : 1. "60"
Explanation :
Answer: A) 60 Explanation: Let, no. of rice bowl = xno. of dal bowl = yno. of meat bowl = z Then, x + y + z = 65 ....(1) Also given that, 2x = 3y = 4z substituting value of y & z in terms of x i.e. y = 2x/3 and z = x/2 in eq (1),We get x = 30. As 1 rice bowl is shared between 2 guests, Therefore, there are 60 guests.
Q: Who became the first Asian women to sail around the world ? 3980 05b5cc720e4d2b4197774f631
5b5cc720e4d2b4197774f631- 1Golda Meirfalse
- 2Ujwala Patiltrue
- 3Cleopatrafalse
- 4Sirimavo Bandaranaikefalse
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Answer : 2. "Ujwala Patil"
Explanation :
Answer: B) Ujwala Patil Explanation:
Q: A person walking 6/7 of his usual rate is 30 minutes late. What is his usual time ? 1019 05b5cc720e4d2b4197774f62c
5b5cc720e4d2b4197774f62c- 12 hrs 50 minfalse
- 23 hrs 25 minfalse
- 33 hrstrue
- 42 hrs 5 minfalse
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Answer : 3. "3 hrs"
Explanation :
Answer: C) 3 hrs Explanation: Let t be the usual time. If the usual rate is 1 unit, then the unusual rate is 6/7.Balance by the distance,1 x t = (6/7)(t + 30)7t = 6(t + 30)we get t as,t = 180 minutes = 3 hrs.
Q: The marked price of a Watch is Rs.8400. It is to be sold at Rs.6896 at two successive discounts. If the first discount is 12%, the second discount is ? 1484 05b5cc720e4d2b4197774f627
5b5cc720e4d2b4197774f627- 17.2 %false
- 29.14 %false
- 37.13 %false
- 46.709 %true
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Answer : 4. "6.709 %"
Explanation :
Answer: D) 6.709 % Explanation: (100-x)% of 88% of 8400 = 6896 => 100-x10088100x8400 = 6896 => x = 6.709%
Q: The reflex angle between the hands of a clock at 11:35 is ? 1955 05b5cc720e4d2b4197774f622
5b5cc720e4d2b4197774f622- 1137.5 degreesfalse
- 2222.5 degreestrue
- 3192.5 degreesfalse
- 4330 degreesfalse
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Answer : 2. "222.5 degrees"
Explanation :
Answer: B) 222.5 degrees Explanation: Apply the formula for finding the angle:Angle=(30h-(11/2)m( where m stands for minutes and h stands for hours)Hence, 30x11 - 11/2x35 = 330 - 192.5 = 137.5 degreesThe reflex angle = 360 - 192.5 degree = 222.5 degrees.