IIT JEE Practice Question and Answer
8Q: What is the next letter in the given seriesM N J Q G ? 1495 05b5cc74ae4d2b4197774fa7c
5b5cc74ae4d2b4197774fa7c- 1Ufalse
- 2Sfalse
- 3Ttrue
- 4Hfalse
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Answer : 3. "T"
Explanation :
Answer: C) T Explanation: 1ST SERIES = M J G... It decreasing by 3 alphabets.2ND SERIES = N Q... It increasing by 3 alphabets. M N J Q G T...
Q: 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 ? 1495 05b5cc6c2e4d2b4197774dbcd
5b5cc6c2e4d2b4197774dbcd- 124 daysfalse
- 225 daystrue
- 320 daysfalse
- 419 daysfalse
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Answer : 2. "25 days"
Explanation :
Answer: B) 25 days Explanation: Let Q complete that work in 'L' days => 1L + 1L-5 = 9100 => 9L2-245L+500=0 L = 25 days.
Q: Which party has announced that the party is quitting from the BJP-Led NDA Alliance at the center? 1494 05b5cc6a3e4d2b4197774cbed
5b5cc6a3e4d2b4197774cbed- 1Shiv Senafalse
- 2Telugu Desham Partytrue
- 3Lok Janshakti Partyfalse
- 4Janata Dal Unitedfalse
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Answer : 2. "Telugu Desham Party"
Explanation :
Answer: B) Telugu Desham Party Explanation: Andhra Pradesh's TDP - Telugu Desam Party, today i.e on 16th March 2018 quit the NDA government at the Centre a week after two of its ministers resigned from the Union cabinet over the issue of special status for Andhra Pradesh.
Q: 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? 1494 05b5cc6bfe4d2b4197774da60
5b5cc6bfe4d2b4197774da60- 13true
- 24false
- 35false
- 42false
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Answer : 1. "3"
Explanation :
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.
Q: What type of lens is a magnifying glass? 1493 05b5cc69de4d2b4197774c8e6
5b5cc69de4d2b4197774c8e6- 1Divergingfalse
- 2Sphericalfalse
- 3Convergingtrue
- 4Achromaticfalse
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Answer : 3. "Converging"
Explanation :
Answer: C) Converging Explanation: A magnifying glass is a convex lens that is used to produce a magnified image of an object. It is also called a hand lens in laboratory contexts.
Q: In an old Palace there are 50 stairs to go on top floor. Each is 20 cm high, 30 cm wide and 60 cm long. If all the stairs are re-plastered at the rate of Rs. 4 per 100 sq.cm. What is the expenditure ? 1493 05b5cc6cbe4d2b4197774e0f9
5b5cc6cbe4d2b4197774e0f9- 1Rs. 4680false
- 2Rs. 7600false
- 3Rs. 6000true
- 4Rs. 5480false
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Answer : 3. "Rs. 6000"
Explanation :
Answer: C) Rs. 6000 Explanation: Total are of all stairs = 50 (20x60 + 30x60) = 50 (1200 + 1800) = 50 x 3000 = 150000 sq cm. Given rate of 100 sq cm = Rs. 4 Then for 150000 sq. cm = ? => 4 x 150000/100 = Rs. 6000
Q: 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 ? 1493 05b5cc6d6e4d2b4197774e651
5b5cc6d6e4d2b4197774e651- 1240 mtstrue
- 2270 mtsfalse
- 3260 mtsfalse
- 4250 mtsfalse
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Answer : 1. "240 mts"
Explanation :
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.
Q: A person walking 6/7 of his usual rate is 30 minutes late. What is his usual time ? 1493 05b5cc720e4d2b4197774f62c
5b5cc720e4d2b4197774f62c- 12 hrs 50 minfalse
- 23 hrs 25 minfalse
- 33 hrstrue
- 42 hrs 5 minfalse
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Answer : 3. "3 hrs"
Explanation :
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.

