IIT JEE Practice Question and Answer
8Q: I make things short but I am pretty long myself. WHAT AM I? 1464 05b5cc678e4d2b4197774c1a7
5b5cc678e4d2b4197774c1a7- Show AnswerHide Answer
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Answer :
Explanation :
I am ABBREVIATION. Yes, i make things short and asks the full form of that thing. Ex : FCI - Food Corporation of India IAS - Indian Administrative Service.
Q: The yield to maturity on a discount bond is 1464 05b5cc65ee4d2b4197774be25
5b5cc65ee4d2b4197774be25- 1equal to both the coupon rate / current yeildtrue
- 2less than the current yeild but greater than the coupon ratefalse
- 3greater than both the coupon rate / current yeildfalse
- 4equal to the current yeild but greater than the coupon ratefalse
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Answer : 1. "equal to both the coupon rate / current yeild"
Explanation :
Answer: A) equal to both the coupon rate / current yeild Explanation: Yield to maturity is a concept for fixed rate bonds and is the internal rate of return i.e. the rate at which future flows are discounted on a compound basis to give the present value of the bond including accrued interest.
Q: A train 125 m long passes a man, running at 5 km/hr in the same direction in which the train is going, in 10 seconds. The speed of the train is ? 1463 05b5cc6dae4d2b4197774e8a5
5b5cc6dae4d2b4197774e8a5- 145 kmphfalse
- 225 kmphfalse
- 330 kmphfalse
- 450 kmphtrue
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Answer : 4. "50 kmph"
Explanation :
Answer: D) 50 kmph Explanation: Speed of the train relative to man = (125/10) m/sec = (25/2) m/sec. [(25/2) x (18/5)] km/hr = 45 km/hr. Let the speed of the train be 'S' km/hr. Then, relative speed = (S - 5) km/hr. S - 5 = 45 => S = 50 km/hr.
Q: As per "Swachh Survekshan 2017" records India's cleanest city is ? 1463 05b5cc6e2e4d2b4197774ec66
5b5cc6e2e4d2b4197774ec66- 1Hyderabdfalse
- 2Tirupathifalse
- 3Indoretrue
- 4Bangalorefalse
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Answer : 3. "Indore"
Explanation :
Answer: C) Indore Explanation: i. The 'Swachh Survekshan 2017' survey results were recently announced by Urban Development Minister M Venkaiah Naidu. The total 434 cities of India were surveyed. Indore in Madhya Pradesh is India’s cleanest city while Gonda in Uttar Pradesh is the dirtiest. ii. Gujarat has the maximum of 12 cities among the top 50 clean cities, closely followed by Madhya Pradesh with 11 and Andhra Pradesh with eight. Uttar Pradesh accounted for half of the bottom 50 cities in the cleanliness ranking. Top 10 clean cities of India in 2017 are: Indore (MP)Bhopal (MP)Visakhapatnam (Andhra Pradesh)Surat (Gujarat)Mysuru (Karnataka)Tiruchirapally (Tamil Nadu)New Delhi Municipal Council (New Delhi)Navi Mumbai (Mumbai)Tirupati (Andhra Pradesh)Vadodara (Gujarat). Top 5 Dirtiest cities of India (with Rank) in 2017 are: Gonda (UP)- 434,Bhusawal (Maharashtra)- 433,Bagaha (Bihar)- 432,Hardoi (Uttarakhand)- 431,Katihar (Bihar)- 430.
Q: How many black cards are in a deck? 1463 05b5cc6a4e4d2b4197774cc62
5b5cc6a4e4d2b4197774cc62- 113false
- 226true
- 339false
- 452false
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Answer : 2. "26"
Explanation :
Answer: B) 26 Explanation: The total cards in the deck are 52. These 52 cards are divided into 4 suits of 13 cards in each suit. Two Red suits and Two black suits. Red suits :: Heart suit and Diamond suit = 26 Black suits :: Spade suit and Club suit = 26.
Q: Find the sum to 200 terms of the series 2 + 5 + 7 + 6 + 12 + 7 + .... 1463 05b5cc754e4d2b4197774fb9f
5b5cc754e4d2b4197774fb9f- 130,400true
- 230,200false
- 334,600false
- 438,400false
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Answer : 1. "30,400"
Explanation :
Answer: A) 30,400 Explanation: we can treat every two consecutive terms as one.So, we will have a total of 100 terms of the nature:(2 + 5) + (7 + 6) + (12 + 7).... => 7, 13, 19,.... We know the sum of n terms nn+12 Now, a= 7, d=6 and n=100Hence the sum of the given series is S= 100/2 x[2 x 7 + 99 x 6]=> 50[608]=> 30,400.
Q: "World Television Day" is observed every year on ___. 1462 05b5cc6c7e4d2b4197774de82
5b5cc6c7e4d2b4197774de82- 1Nov 21true
- 2Oct 22false
- 3Sep 23false
- 4Aug 24false
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Answer : 1. "Nov 21"
Explanation :
Answer: A) Nov 21 Explanation:
Q: Watson bought a book for Rs. 240 and sold to Johny at a profit of 50%. Johny wants to sell this book to Shekar so that he earns a profit of 25%. But Shekar is adamant at buying this book at a discount of 10%. What marked price should Johny quote to Shekar so as to achieve desired profit ? 1462 05b5cc6cae4d2b4197774e040
5b5cc6cae4d2b4197774e040- 1Rs. 450false
- 2Rs. 360false
- 3Rs. 415false
- 4Rs. 500true
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Answer : 4. "Rs. 500"
Explanation :
Answer: D) Rs. 500 Explanation: Watson bought the book for Rs. 240 and sold to Johny at a profit of 50%. S.P = C.P(1 + P%/100) => S.P for Watson = C.P for Johny = 240(1 + 50/100) = 240 x 1.5 = Rs. 360 Let Johny quoted the marked price of the book as Rs. M We know, SP = M.P(1 - Discount(%)/100) Here discount = 10% to Shekar, S.P for Johny = M(1 - 10/100) = 0.9M But Johny want to earn 25% profit, => S.P = C.P(1 + P%/100) => 0.9M = 360(1 + 25/100) => M = (360x1.25)/0.9 => M = Rs. 500 Therefore, Johny should quote Rs. 500 as the marked price of the book to get 25% profit and allowing 10% discount to Shekar.

