CAT प्रश्न और उत्तर का अभ्यास करें
8प्र: In what ratio must a merchant mix two varieties of oils worth Rs. 60/kg and Rs. 65/kg, so that by selling the mixture at Rs. 68.20/kg, he may gain 10% ? 1866 05b5cc6c6e4d2b4197774de5e
5b5cc6c6e4d2b4197774de5e- 12:3false
- 24:3false
- 33:4false
- 43:2true
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उत्तर : 4. "3:2"
व्याख्या :
Answer: D) 3:2 Explanation: Let he mixes the oils in the ratio = x : y Then, the cost price of the oils = 60x + 65y Given selling price = Rs. 68.20 => Selling price = 68.20(x+y) Given profit = 10% = SP - CP => 10/100 (60x + 65y) = 68.20(x+y)-(60x + 65y) => 6x + 6.5y = 8.20x + 3.20y =>2.2x = 3.3y => x : y = 3 : 2
प्र: You can drop me from the longest building & I will be LIVE, but if you drop me in the water I DIE. WHO AM I? 1866 05b5cc678e4d2b4197774c157
5b5cc678e4d2b4197774c157- उत्तर देखेंउत्तर छिपाएं
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उत्तर :
व्याख्या :
A Paper.
प्र: Antonym of the word DOLEFUL : 1866 05b5cc6cee4d2b4197774e251
5b5cc6cee4d2b4197774e251- 1Lamentablefalse
- 2Dismalfalse
- 3Pitifulfalse
- 4Gladtrue
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उत्तर : 4. "Glad"
व्याख्या :
Answer: D) Glad Explanation:
प्र: A train covered k km at 40 kmph and another 2k km at 20 kmph. Find the average speed of the train in covering the entire 3k km ? 1865 05b5cc6dce4d2b4197774e965
5b5cc6dce4d2b4197774e965- 128 kmphfalse
- 224 kmphtrue
- 326 kmphfalse
- 432 kmphfalse
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उत्तर : 2. "24 kmph"
व्याख्या :
Answer: B) 24 kmph Explanation: Total time taken = k/40 + 2k/20 hours = 5k/40 = k/8 hours Average speed = 3k/(k/8) = 24 kmph.
प्र: Which part of the flame is the hottest? 1865 05b5cc6abe4d2b4197774cf99
5b5cc6abe4d2b4197774cf99- 1Blue Zonetrue
- 2Luminous Zonefalse
- 3Dark Zonefalse
- 4Non - Luminous Zonefalse
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उत्तर : 1. "Blue Zone"
व्याख्या :
Answer: A) Blue Zone Explanation: Blue Zone is the hottest part of the flame that is where the flame has the most Oxygen and you are getting complete combustion. It is about 1400 degrees Centigrades. The Reddish part (Non - Luminous Zone) is the coolest part, about 800 deg C.
प्र: If two line pa + b = 2 and 3a + b = 4 are parallel to each other, then what is the value of p ? 1865 05b5cc6c6e4d2b4197774de54
5b5cc6c6e4d2b4197774de54- 11false
- 22false
- 33true
- 44false
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उत्तर : 3. "3"
व्याख्या :
Answer: C) 3 Explanation: Given two lines are parallel pa+b=2 b=-pa+2..........(1) 3a+b=4 b=-3a+4 ...........(2) m1 = -p m2= -3 The condition for the two lines to be parallel is m1=m2 p = 3
प्र: Which country has signed an agreement with India for transfer of sentenced prisoners ? 1865 05b5cc6cde4d2b4197774e186
5b5cc6cde4d2b4197774e186- 1Japanfalse
- 2Ghanafalse
- 3Somaliatrue
- 4Italyfalse
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उत्तर : 3. "Somalia"
व्याख्या :
Answer: C) Somalia Explanation: Signing the Agreement with Somalia shall facilitate the Indian prisoners imprisoned in Somalia or vice-versa to be near to their families, for serving remaining part of their sentence and shall facilitate their social rehabilitation.
प्र: Every year before the festive season, a brand store increases the price of the product by 42% and then introduce two successive discount of 10% and 11% respectively. What is percentage loss and percentage gain ? 1865 05b5cc745e4d2b4197774f9f9
5b5cc745e4d2b4197774f9f9- 13.25% lossfalse
- 213.742% lossfalse
- 33.25% gainfalse
- 413.742% gaintrue
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उत्तर : 4. "13.742% gain"
व्याख्या :
Answer: D) 13.742% gain Explanation: Let CP = 100,42 % increase => SP = 14210 % discount in SP => ((142 x 10)/100) = 14.2So 1st SP = (142 - 14.2) = 127.8, again 12 % discount in 1st SP ((127.8 x 11)/100) = 14.0582nd SP = (127.8 - 14.058) = 113.742, So finally CP = 100, SP = 113.742, => gain = 13.742%.