GATE प्रश्न और उत्तर का अभ्यास करें
8प्र: The price of a car is increased by 25%, by how much percent, must the new price of this car be decreased to restore its original price ? 1323 05b5cc6c5e4d2b4197774dda0
5b5cc6c5e4d2b4197774dda0- 120%true
- 224%false
- 321%false
- 425%false
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उत्तर : 1. "20%"
व्याख्या :
Answer: A) 20% Explanation: Suppose that the original price of the car = Rs. x Then new price of the car => (x) + (x ×25/100) = Rs. 5x/4 To restore the original price, the new price must be decreased by 5x/4 − x = x/4 So required percentage =(x/4)/(5x/4) × 100% = 20%
प्र: A is brother of B, C is daughter of B, D is husband of B, E is daughter of A, What is the relationship between C and D ? 1433 05b5cc6c5e4d2b4197774dd9b
5b5cc6c5e4d2b4197774dd9b- 1Mother & Sonfalse
- 2Father & Daughtertrue
- 3Mother & Daughterfalse
- 4Father & Sonfalse
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उत्तर : 2. "Father & Daughter"
व्याख्या :
Answer: B) Father & Daughter Explanation:
प्र: Find the odd one in the number series given below ? 17, 9, 10, 18.5, 35, 90 1662 05b5cc6c5e4d2b4197774dd91
5b5cc6c5e4d2b4197774dd91- 19false
- 210false
- 318.5true
- 490false
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उत्तर : 3. "18.5"
व्याख्या :
Answer: C) 18.5 Explanation: The given series pattern follows 17 9 10 18.5 35 90 × 0.5 + 0.5, × 1 + 1, × 1.5 + 1.5, × 2 + 2, × 2.5 + 2.5 So here 17x0.5 + 0.5 = 9 9x1 + 1 = 10 10x1.5 + 1.5 = 16.5 16.5x2 + 2 = 35 35x2.5 + 2.5 = 90 Here the odd man in the given series is 18.5
प्र: A town having teenagers(boys & girls) of 5000 requires 150 litre of water per head. It has a tank measuring 20 m × 15 m × 5 m. The water of this tank will sufficient for ____ days. 1112 05b5cc6c5e4d2b4197774dd82
5b5cc6c5e4d2b4197774dd82- 18false
- 26false
- 34false
- 42true
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उत्तर : 4. "2"
व्याख्या :
Answer: D) 2 Explanation: Total Water reqduired = 5000 × 150 lit = 750,000 litres = 750 cu.m. Volume of tank = 20 × 15 × 5 = 1500 Cu.m. Number of days required =1500/750 = 2 days.
प्र: In a joint family, there are 24 members whose age is decreased by 4 months, when one girl aged 24 years is replaced by a new boy. Find the age of the new boy ? 1618 05b5cc6c5e4d2b4197774dd73
5b5cc6c5e4d2b4197774dd73- 118 yearsfalse
- 212 yearsfalse
- 315 yearsfalse
- 416 yearstrue
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उत्तर : 4. "16 years"
व्याख्या :
Answer: D) 16 years Explanation: Age of new boy = (Age of moved girl) – (Number of family members × Decreased in average) = 24 – 24×4/12 = 24 – 8 = 16 years.
प्र: Study the question and all the three statements given and decide whether any information provided in the statements are redundand and can be dispensed with while answering the questions. Question : What is the rate of interest per year ? Statements : 1. The amount invested is Rs. 6000.2. The amount becomes Rs. 6741.60 in 2 years at compound interest.3. The difference between compound interest and simple interest in 2 years is Rs. 21.60. 1111 05b5cc6c5e4d2b4197774dd6e
5b5cc6c5e4d2b4197774dd6e- 1Only 3false
- 2Both 2 & 3false
- 3Any two of (1, 2 & 3)true
- 4Nonefalse
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उत्तर : 3. "Any two of (1, 2 & 3)"
व्याख्या :
Answer: C) Any two of (1, 2 & 3) Explanation: Using Both 1 & 2 statements we get the rate of interest as in (1) we have given principle amount and in (2) compound interest for 2 years. By this data we get the rate%. Using Both 1 & 3 statements we can get the rate% as we have principle amount & difference between compound interest and simple interest in 2 years. Using Both 2 & 3 statements we get compound interest & simple interest by which we get principle amount. So that we can calculate %rate. Hence by using any two of the three statements(1,2&3) we get rate of interest.
प्र: Which of the Phrases(1), (2), (3) and (4) given below each sentence should replace the phrases printed in bold in the sentence to make it grammatically correct. The ban is applied by the district’s commercial taxes department after protests by a community, which had threat to burn theatres screening the controversial movie. 4274 05b5cc6c5e4d2b4197774dd5a
5b5cc6c5e4d2b4197774dd5a- 1had threated to burnfalse
- 2had threatened to burntrue
- 3had threatened to burningfalse
- 4had threats of burningfalse
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उत्तर : 2. "had threatened to burn"
व्याख्या :
Answer: B) had threatened to burn Explanation:
प्र: Find out which pair of words can be filled up in the blanks in the sentence to make the sentence meaningfully complete. The policy on foreign direct investment in multi- brand retail may be _______ in a political impasse, but big retail chains are using India as sourcing base and making an _________ on local businesses. 1881 05b5cc6c5e4d2b4197774dd55
5b5cc6c5e4d2b4197774dd55- 1Caught, impacttrue
- 2Caught, effectfalse
- 3Fetched, affectfalse
- 4Fetching, impactfalse
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उत्तर : 1. "Caught, impact"
व्याख्या :
Answer: A) Caught, impact Explanation: Caught - according to the sentence given caught means to become involved in something, often without wanting to. Impasse - means a situation in which further development is impossible.