IIT JEE Practice Question and Answer
8Q: Pointing to a photograph, a man said, "I have no brother or sister but that man’s father is my father’s son." Whose photograph was it? 1946 05b5cc76ae4d2b4197774fe5b
5b5cc76ae4d2b4197774fe5b- 1His uncle'sfalse
- 2His nephew'sfalse
- 3His son'strue
- 4His Cousin'sfalse
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Answer : 3. "His son's"
Explanation :
Answer: C) His son's Explanation: Since the narrator has no brother, his father’s son is he himself. So, the man who is talking is the father of the man in the photograph. Thus, the man in the photograph is his son.
Q: Which of the following is a characteristic of all minerals? 1946 05b5cc68ee4d2b4197774c40b
5b5cc68ee4d2b4197774c40b- 1Crystalline solidsfalse
- 2Minerals are inorganicfalse
- 3All minerals are formed in a natural processfalse
- 4All the abovetrue
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Answer : 4. "All the above"
Explanation :
Answer: D) All the above Explanation: Common properties of Minerals are : 1. All minerals are formed in a natural process. 2. Minerals are inorganic 3. Minerals are crystalline solids. 4. Every mineral is an element or compound with a definite chemical composition.
Q: Which of the following is malleable? 1944 05b5cc6a4e4d2b4197774cc55
5b5cc6a4e4d2b4197774cc55- 1Icefalse
- 2Goldtrue
- 3Stonefalse
- 4Potteryfalse
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Answer : 2. "Gold"
Explanation :
Answer: B) Gold Explanation: Here in the given options, Gold is a malleable substance. Malleable substance means a metal or a material able to be hammered or pressed into shape without breaking or cracking. i.e, tensile.
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Answer :
Explanation :
19 C in a CB means 19 Coins in a Carrom Board. We have 9 white coins, 9 black coins and one red coin in a carrom board.
Q: What are the four main functions of a computer? 1942 05b5cc6b7e4d2b4197774d638
5b5cc6b7e4d2b4197774d638- 1Data, information, bits and bytesfalse
- 2Hardware, software, modeling and operationsfalse
- 3Input, processing, output and storagetrue
- 4Learning, thinking, intelligence and virtuosityfalse
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Answer : 3. "Input, processing, output and storage"
Explanation :
Answer: C) Input, processing, output and storage Explanation: The four main functions of a computer are :: 1. Input, 2. Processing, 3. Output and 4. Storage
Q: How much time will take for an amount of Rs. 450 to yield Rs. 81 as interest at 4.5% per annum of simple interest ? 1942 05b5cc6e0e4d2b4197774eb8e
5b5cc6e0e4d2b4197774eb8e- 14 yearstrue
- 22.5 yearsfalse
- 33.5 yearsfalse
- 42 yearsfalse
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Answer : 1. "4 years"
Explanation :
Answer: A) 4 years Explanation: Time = (100 x 81) / (450 x 4.5) = 4 years.
Q: Out of sixty students, there are 14 who are taking Economics and 29 who are taking Calculus. What is the probability that a randomly chosen student from this group is taking only the Calculus class ? 1941 05b5cc745e4d2b4197774fa1d
5b5cc745e4d2b4197774fa1d- 18/15false
- 27/15true
- 31/15false
- 44/15false
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Answer : 2. "7/15"
Explanation :
Answer: B) 7/15 Explanation: Given total students in the class = 60Students who are taking Economics = 24 andStudents who are taking Calculus = 32Students who are taking both subjects = 60-(24 + 32) = 60 - 56 = 4Students who are taking calculus only = 32 - 4 = 28probability that a randomly chosen student from this group is taking only the Calculus class = 28/60 = 7/15.
Q: Choose the missing terms in the given series from the four alternatives given below. C, E, G, J, M, Q, ? 1941 05b5cc76ae4d2b4197774fe70
5b5cc76ae4d2b4197774fe70- 1Tfalse
- 2Utrue
- 3Pfalse
- 4Vfalse
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Answer : 2. "U"
Explanation :
Answer: B) U Explanation: The letters move 2, 2, 3, 3, 4, 4, ... steps forward.