CAT Practice Question and Answer
8Q: A certain sum of money is invested for one year at a certain rate of simple interest. If the rate of interest is 3% higher, then the invest earned will be 25% more than the interest earned earlier. What is the earlier rate of interest ? 2590 05b5cc6eee4d2b4197774eeeb
5b5cc6eee4d2b4197774eeeb- 14% p.a.false
- 26% p.a.false
- 38% p.a.false
- 412% p.a.true
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Answer : 4. "12% p.a."
Explanation :
Answer: D) 12% p.a. Explanation: If the interest earned is 25% more than the earlier interest then the rate of interest also should be 25% higher than the earlier rate. Let the earlier rate of interest be x%. Now it will be (x + 3)% % increase = (x + 3) - x/x * 100 = 25=> x = 12%
Q: A train sets off at 3 p.m. at the speed of 70 kmph. Another train starts at 4:30 p.m. in the same direction at the rate of 85 kmph. At what time the trains will meet ? 2586 05b5cc6e7e4d2b4197774ed79
5b5cc6e7e4d2b4197774ed79- 110:10 pmfalse
- 29:50 pmfalse
- 311:30 pmtrue
- 410:30 pmfalse
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Answer : 3. "11:30 pm"
Explanation :
Answer: C) 11:30 pm Explanation: Distance = 70 x 1 ½ = 105 km Relative Speed = 85 – 70 = 15 Time = 105/15 = 7 hrs 4:30 + 7 hrs = 11.30 p.m.
Q: Effective teamwork and high productivity are good indications of positive 2584 05b5cc662e4d2b4197774be7f
5b5cc662e4d2b4197774be7f- 1productivity goalstrue
- 2reinforcementfalse
- 3horizontal relationshipsfalse
- 4socializingfalse
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Answer : 1. "productivity goals"
Explanation :
Answer: A) productivity goals Explanation: In general, we know that Effective teamwork yields high productivity which is a good indications of positive productivity goals.
Q: The clipboard 2584 15b5cc672e4d2b4197774c0aa
5b5cc672e4d2b4197774c0aa- 1is a Cache memoryfalse
- 2is a feature that stores user informationfalse
- 3is used to temporarily store, items that has been cut or copiedtrue
- 4is a feature that saves file temporarilyfalse
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Answer : 3. "is used to temporarily store, items that has been cut or copied"
Explanation :
Answer: C) is used to temporarily store, items that has been cut or copied Explanation: A clipboard is a temporary storage area for items that the user wants to cut or copy from one place to another. For example, in a word processor application, the user might want to cut text from one part of a document and paste it in another part of the document or somewhere else, it is temporarily stored in clipboard.
Q: The oldest dynasty still ruling in which country ? 2584 05b5cc6dae4d2b4197774e876
5b5cc6dae4d2b4197774e876- 1Indiafalse
- 2Iranfalse
- 3Japantrue
- 4Englandfalse
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Answer : 3. "Japan"
Explanation :
Answer: C) Japan Explanation: The longest-surviving dynasty in the world is the Imperial House of Japan.
Q: Reptile is to Lizard as Flower is to 2582 05b5cc6aee4d2b4197774d160
5b5cc6aee4d2b4197774d160- 1Orchidstrue
- 2Stemfalse
- 3Leaffalse
- 4Petalfalse
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Answer : 1. "Orchids"
Explanation :
Answer: A) Orchids Explanation: Here Lizard is a type of Reptiles whereas Orchid is a type of flowers. Other than Orchids all are parts of Plants. Hence, Reptile is to Lizard as Flower is to Orchids.
Q: Three numbers are in the ratio of 3:4:5 and their L.C.M is 3600.Their HCF is: 2582 05b5cc783e4d2b41977750200
5b5cc783e4d2b41977750200- 140false
- 260true
- 3100false
- 4120false
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Answer : 2. "60"
Explanation :
Answer: B) 60 Explanation: Let the numbers be 3x, 4x, 5x. Then, their L.C.M = 60x. So, 60x=3600 or x=60. Therefore, The numbers are (3 x 60), (4 x 60), (5 x 60). Hence,required H.C.F=60
Q: An intelligent boy is doing a jigsaw with 275 pieces. Each day that he fits pieces together there are fewer pieces left, and it is reasonable to assume that he fits more pieces each day because the number left to sort out diminishes progressively. Hence he is able to fit an extra piece as each day goes by. On the first day he fits 20 pieces. How many days does it take for him to complete the puzzle ? 2580 05b5cc71ee4d2b4197774f59a
5b5cc71ee4d2b4197774f59a- 111 daystrue
- 215 daysfalse
- 313 daysfalse
- 416 daysfalse
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Answer : 1. "11 days"
Explanation :
Answer: A) 11 days Explanation: Let 'n' number of days it take to complete. we know that sum of n number= n/2[2a+(n-1)d]where a=20,d=1;n/2[2x20+(n-1)1]=275n[n+39]=550n2 + 39n - 550 = 0 n2+ 50n - 11n - 550 = 0(n-11) (n-50) = 0n-11 = 0;n = 11(Days).