IIT JEE Practice Question and Answer
8Q: India has successfully test-fired the BrahMos supersonic cruise missile from Indian Air Force ___________ fighter aircraft for the first time. 1191 05b5cc6bde4d2b4197774d951
5b5cc6bde4d2b4197774d951- 1Sukhoi-29 MKIfalse
- 2Sukhoi-32 MKIfalse
- 3Sukhoi-31 MKIfalse
- 4Sukhoi-30 MKItrue
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Answer : 4. "Sukhoi-30 MKI"
Explanation :
Answer: D) Sukhoi-30 MKI Explanation: Brahmos, the world’s fastest supersonic cruise missile created history on today after it was successfully flight- tested for the first time from the IAF’s frontline fighter aircraft Sukhoi-30MKI against a sea-based target in the Bay of Bengal. The armed forces are now capable of launching the Brahmos, which has a strike range of around 290 km and is described as the world’s fastest supersonic cruise missile, from land, sea and air, completing the tactical cruise missile triad for the country.
Q: A man can row upstream at 16 km/hr and downstream at 24 km/hr. Find the speed of the current. 1848 05b5cc6bde4d2b4197774d942
5b5cc6bde4d2b4197774d942- 14 kmphtrue
- 26 kmphfalse
- 35 kmphfalse
- 43 kmphfalse
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Answer : 1. "4 kmph"
Explanation :
Answer: A) 4 kmph Explanation: Speed of the current = 24-16/2 = 8/2 = 4 km/hr.
Q: If (89)2 is added to the square of a number, the answer so obtained is 16202. What is the (1/26) of that number? 3278 05b5cc6bde4d2b4197774d947
5b5cc6bde4d2b4197774d947- 15.65false
- 22.7false
- 33.5true
- 46.66false
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Answer : 3. "3.5"
Explanation :
Answer: C) 3.5 Explanation: Let the number is = x (89)2 + x2 = 16202 x2 = 8281 x = 91 => (1/26) of 91 = 3.5
Q: In which city Indian Railways has installed Asia’s largest Solid State Interlocking (SSI) system? 1349 05b5cc6bde4d2b4197774d938
5b5cc6bde4d2b4197774d938- 1Kolkatafalse
- 2Lucknowfalse
- 3Hyderabadfalse
- 4Kharagpurtrue
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Answer : 4. "Kharagpur"
Explanation :
Answer: D) Kharagpur Explanation:
Q: 28 Men and 52 women working together completes a work in 22.5 days. 35 men and 65 women working together on same work will complete it in how many days? 2008 05b5cc6bde4d2b4197774d93d
5b5cc6bde4d2b4197774d93d- 116false
- 218true
- 319false
- 421false
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Answer : 2. "18"
Explanation :
Answer: B) 18 Explanation: Clearly total persons are increased in 28/35 :: 52/65 = 4:5. As time is inversely proportional to men, so total time will decrease in the ratio 5:4. Hence, 22.5 x 4/5 = 18 days.
Q: Find which of the two conclusions I and II given below is/are definitely true from the the given statements. Statements: I > W > T > N, I = F = G = C Conclusions: I. W > I II. C > N 1187 05b5cc6bde4d2b4197774d933
5b5cc6bde4d2b4197774d933- 1Only Conclusion I is truefalse
- 2Only Conclusion II is truetrue
- 3Both conclusions I & II are truefalse
- 4Neither conclusion I nor II is truefalse
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Answer : 2. "Only Conclusion II is true"
Explanation :
Answer: B) Only Conclusion II is true Explanation: From the given Statements : 1. I > W > T > N 2. F = G = C Conclusions are : I. W > I (False) II. C > N (True)
Q: _________ is a specialized server that enables the client to share application and data across the network. 1920 45b5cc6bde4d2b4197774d92e
5b5cc6bde4d2b4197774d92e- 1Mass Serverfalse
- 2File servertrue
- 3Data Serverfalse
- 4Host Serverfalse
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Answer : 2. "File server"
Explanation :
Answer: B) File server Explanation:
Q: If 2 men and 3 women can do a piece of work in 8 days and 3 men and 2 women in 7 days. In how many days can the work be done by 5 men and 4 women working together? 1471 05b5cc6bde4d2b4197774d924
5b5cc6bde4d2b4197774d924- 13 daysfalse
- 26 daysfalse
- 34 daystrue
- 42 daysfalse
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Answer : 3. "4 days"
Explanation :
Answer: C) 4 days Explanation: From the given data, => (2 M + 3W) 8 = (3M + 2W)7 => 16M + 24W = 21M + 14 W => 10W = 5M => 2W = M => 14W × ? = 7W × 8 ? = 4 days

