IIT JEE Practice Question and Answer
8Q: Find the next number in the given number series? 0, 3, 8, 15, 24, ? 1928 05b5cc6a7e4d2b4197774ce13
5b5cc6a7e4d2b4197774ce13- 135true
- 237false
- 334false
- 436false
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Answer : 1. "35"
Explanation :
Answer: A) 35 Explanation: Here the given number series is 0, 3, 8, 15, 24, ? The next number in the given series can be found such a way that the number series follows a pattern, 22 - 4 = 032 - 6 = 342 - 8 = 852 - 10 = 1562 - 12 = 2472 - 14 = 35Hence, the next number in the iven series is 35.
Q: In preparing a bank reconciliation, outstanding checks are 1928 05b5cc64ae4d2b4197774bbf8
5b5cc64ae4d2b4197774bbf8- 1Deducted from the balance sheettrue
- 2Added to the bank balancefalse
- 3Deducted from the bank balancefalse
- 4Added to the balance sheetfalse
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Answer : 1. "Deducted from the balance sheet"
Explanation :
Answer: A) Deducted from the balance sheet Explanation: If an outstanding check of the previous month clears the bank (is paid by the bank) in the current month, you simply remove that check from the list of outstanding checks. If an outstanding check of the previous month does not clear the bank in the current month, the check will remain on the list of outstanding checks until the month that it does clear the bank. In the bank reconciliation process, the total amount of the outstanding checks is deducted from the balance appearing on the bank statement.
Q: An express train takes 4 seconds to enter tunnel which is 1 km long. If it is traveling at 108 km an hour, how long will it take to pass completely through the tunnel ? 1928 05b5cc73ae4d2b4197774f8ec
5b5cc73ae4d2b4197774f8ec- 133 secfalse
- 237.33 sectrue
- 336.43 secfalse
- 432 secfalse
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Answer : 2. "37.33 sec"
Explanation :
Answer: B) 37.33 sec Explanation: Speed = 108 km/hrenter a tunnel,, means that the train covers a distance equal to its own lengthso (108 x 5/18) = x/4 where x= length of trainhence x = 120 mtrsto pass completely train has to travel a distance = (x + tunnel length) that is 1120 mtrs.so (1120/t) = (108x5/18)t = 37.33 sec
Q: Which planet has maximum satellite? 1927 05b5cc6a1e4d2b4197774caef
5b5cc6a1e4d2b4197774caef- 1Saturnfalse
- 2Earthfalse
- 3Jupitertrue
- 4Marsfalse
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Answer : 3. "Jupiter"
Explanation :
Answer: C) Jupiter Explanation: Jupiter has 67 natural satellites. Eight of Jupiter's moons are regular satellites, with 4 large, spherical moons, and 4 smaller moons that orbit closer to Jupiter. Jupiter has an additional 55 tiny irregular satellites. The planet with the second highest number of moons is Saturn, with 61 moons. Earth has only one natural satellite i.e, Moon. Mercury and Venus have no satellites.
Q: Twenty times a positive integer is less than its square by 96. What is the integer ? 1927 05b5cc6e7e4d2b4197774ed74
5b5cc6e7e4d2b4197774ed74- 142false
- 236false
- 348false
- 424true
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Answer : 4. "24"
Explanation :
Answer: D) 24 Explanation: Let the integer be x. Then, x2 - 20x = 96 (x + 4)(x - 24) = 0 x = 24
Q: Is C2 Paramagnetic or Diamagnetic? 1926 05b5cc6b3e4d2b4197774d3d7
5b5cc6b3e4d2b4197774d3d7- 1Paramagneticfalse
- 2Diamagnetictrue
- 3Ferromagneticfalse
- 4Can't be determinedfalse
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Answer : 2. "Diamagnetic"
Explanation :
Answer: B) Diamagnetic Explanation: Paramagnetic Molecules :: If the Electronic configuration of a molecule has any unpaired electrons, then that molecule is said to be Paramagnetic. Diamagnetic Molecules :: If the Electronic configuration of a molecule has only paired or spin paired electrons, then that molecule is said to be Diamagnetic. Here the molecule C2 has all paired electrons in its electronic configuration. So C2 is Diamagnetic. Whereas, B2 molecule has unpaired electrons. So B2 is Paramegnetic.
Q: Find the Next Number in the given number series? 3, 10.5, 36.75, 128.625, ? 1926 05b5cc6bae4d2b4197774d7a8
5b5cc6bae4d2b4197774d7a8- 1450.187true
- 2442.151false
- 3441.231false
- 4456.852false
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Answer : 1. "450.187"
Explanation :
Answer: A) 450.187 Explanation: Pattern is 3 3 x 3.5 = 10.5 10.5 x 3.5 = 36.75 36.75 x 3.5 = 128.625 128.625 x 3.5 = 450.187
Q: Which statement describes decomposers? 1925 05b5cc67be4d2b4197774c204
5b5cc67be4d2b4197774c204- 1Decomposers are insignificant organisms in the ecosystem and can be absent in some ecosystems.false
- 2Decomposers can produce their own source of energy and can sometimes act as primary producers.false
- 3Decomposers are those organisms that recycle matter in the ecosystem..true
- 4All the abovefalse
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Answer : 3. "Decomposers are those organisms that recycle matter in the ecosystem.."
Explanation :
Answer: C) Decomposers are those organisms that recycle matter in the ecosystem.. Explanation: Decomposers are organisms that break down dead or decaying organisms, and in doing so, they carry out the natural process of decomposition. The statement "Decomposers are those organisms that recycle matter in the ecosystem" describes decomposers.

