CAT प्रश्न और उत्तर का अभ्यास करें

प्र: Which State's chief minister has announced five lakh rupees health-cum-life insurance scheme for farmers in the state? 1492 0

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    Telangana
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  • 2
    Uttar Pradesh
    सही
    गलत
  • 3
    Gujarat
    सही
    गलत
  • 4
    Andhra Pradesh
    सही
    गलत
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उत्तर : 1. "Telangana"
व्याख्या :

Answer: A) Telangana Explanation:

प्र: A 260 m long train running at the speed of 120 km/hr crosses another train running in opposite direction at the speed of 80 km/hr in 9 sec. What is the length of the other train  ? 1492 0

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    240 mts
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  • 2
    270 mts
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  • 3
    260 mts
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  • 4
    250 mts
    सही
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उत्तर : 1. "240 mts"
व्याख्या :

Answer: A) 240 mts Explanation: Relative speed = 120 + 80 = 200 km/hr.= 200 x 5/18 = 500/9 m/sec. Let the length of the other train be L mts.Then, (L + 260)/9 = 500/9 => L = 240 mts.

प्र: What is the main function of an ignition safety switch? 1492 0

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उत्तर :
व्याख्या :

An ignition safety switch is a safety device can shut off the engine if the operator falls off the PWC or out of the powerboat, or is otherwise thrown from the proper operating position.   How it works: It allows the engine of the vehicle to shut off or to be turned off immediately as it is to prevent further complications to happen as this is being used when an emergency is launched   Where it is used: Most powerboats and PWCs come equipped by the manufacturer with an emergency engine cut-off switch.

प्र: P can do a piece of work in 5 less days than Q. If both of them can do the same work in 1119days, in how many days will Q alone do the same work  ? 1492 0

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    24 days
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  • 2
    25 days
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  • 3
    20 days
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  • 4
    19 days
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उत्तर : 2. "25 days"
व्याख्या :

Answer: B) 25 days Explanation: Let Q complete that work in 'L' days   => 1L + 1L-5 = 9100   => 9L2-245L+500=0   L = 25 days.

प्र: Which of these is not related to the great depression? 1492 0

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    Drop in profits
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  • 2
    Drop in income
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  • 3
    Drop in tax revunes
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  • 4
    Drop in health
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उत्तर : 4. "Drop in health"
व्याख्या :

Answer: D) Drop in health Explanation: The Great Depression was a severe worldwide economic depression that took place mostly during the 1930s, beginning in the U.S. The timing of the Great Depression varied across nations; in most countries it started in 1929 and lasted until the late-1930s. It was the longest, deepest, and most widespread depression of the 20th century. In the 21st century, the Great Depression is commonly used as an example of how far the world's economy can decline.

प्र: In a mixture of milk and water the proportion of water by weight was 75%. If in 60 gm of mixture 15 gm water was added, what would be the percentage of water ? (Weight in gm) 1492 0

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    80%
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  • 2
    70%
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  • 3
    75%
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  • 4
    62%
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उत्तर : 1. "80%"
व्याख्या :

Answer: A) 80% Explanation: Water in 60 gm mixture=60 x 75/100 = 45 gm. and Milk = 15 gm.   After adding 15 gm. of water in mixture, total water = 45 + 15 = 60 gm and weight of a mixture = 60 + 15 = 75 gm.   So % of water = 100 x 60/75 = 80%.

प्र: A person walking 6/7 of his usual rate is 30 minutes late. What is his usual time ? 1491 0

  • 1
    2 hrs 50 min
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  • 2
    3 hrs 25 min
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  • 3
    3 hrs
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  • 4
    2 hrs 5 min
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उत्तर : 3. "3 hrs"
व्याख्या :

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.

प्र: A town has a population of 4000 requires 140 liters of water per head. It has a tank measuring 18m x 12m x 8m. The water of this tank will suffice for ____ days? 1491 0

  • 1
    3
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  • 2
    4
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  • 3
    5
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  • 4
    2
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उत्तर : 1. "3"
व्याख्या :

Answer: A) 3 Explanation: Water required = 4000 x 140 = 560000 lit = 560 cu.m (1 cu.m = 1000 lit) Volume of tank = 18 x 12 x 8 = 1728 cu.m Water of this tank will suffice for = 1728/560 = 3 days.

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