IIT JEE Practice Question and Answer
8Q: Find the next number in the given series ? 3, 7, 6, 5, 9, 3, 12, 1, 15, . . . 2904 05b5cc71be4d2b4197774f54e
5b5cc71be4d2b4197774f54e- 12false
- 20false
- 31false
- 4-1true
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Answer : 4. "-1"
Explanation :
Answer: D) -1 Explanation: 3, 7, 6, 5, 9, 3, 12, 1, 15, ... has two different series 1) 3, 6, 9, 12, 15..... 2) 7, 5, 3, 1, ..... -1 is the next number.
Q: Genuine : Authentic : : Mirage : ? 2902 05b5cc696e4d2b4197774c599
5b5cc696e4d2b4197774c599- 1Transpirationfalse
- 2Illusiontrue
- 3Reflectionfalse
- 4Imagefalse
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Answer : 2. "Illusion"
Explanation :
Answer: B) Illusion Explanation: Here the given pair of words are related in such a way that they are synonyms. That is Genuine and Authentic are synonyms and similarly, Mrage and illusion are synonyms. Hence, Genuine : Authentic : : Mirage : Illusion.
Q: Statement: There has been a significant drop in the water level of all the lakes supplying water to the city.Courses of action:I. The water supply authority should impose a partial cut in supply to tackle the situation.II. The government should appeal to all the residents though mass media for minimal use of water. 2896 05b5cc736e4d2b4197774f85b
5b5cc736e4d2b4197774f85b- 1Only I followsfalse
- 2Only II followsfalse
- 3Both I & II followstrue
- 4Neither I nor II followsfalse
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Answer : 3. "Both I & II follows"
Explanation :
Answer: C) Both I & II follows Explanation: The situation can be tackled by periodic cuts in supply, and urging people to conserve water. So both the courses follow.
Q: There are 44 students in a hostel, due to the administration, 15 new students has joined. The expense of the mess increase by Rs. 33 per day. While the average expenditure per head diminished by Rs. 3, what was the original expenditure of the mess ? 2895 05b5cc74ae4d2b4197774fa9f
5b5cc74ae4d2b4197774fa9f- 1Rs. 404false
- 2Rs. 514false
- 3Rs. 340false
- 4Rs. 616true
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Answer : 4. "Rs. 616"
Explanation :
Answer: D) Rs. 616 Explanation: Let the average expenditure per head be Rs. pNow, the expenditure of the mess for old students is Rs. 44pAfter joining of 15 more students, the average expenditure per head is decreased by Rs. 3 => p-3Here, given the expenditure of the mess for (44+15 = 59) students is increased by Rs. 33Therefore, 59(p-3) = 44p + 3359p - 177 = 44p + 3315p = 210 => p = 14Thus, the expenditure of the mess for old students is Rs. 44p = 44 x 14 = Rs. 616.
Q: Select the correct statement about the pharynx. 2894 05b5cc69be4d2b4197774c7e3
5b5cc69be4d2b4197774c7e3- 1The auditory tube drains into the nasopharynxtrue
- 2The laryngopharynx blends posteriorly into the nasopharynxfalse
- 3The palatine tonsils are embedded in the lateral walls of the nasopharynxfalse
- 4The pharyngeal tonsil is located in the laryngopharynxfalse
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Answer : 1. "The auditory tube drains into the nasopharynx"
Explanation :
Answer: A) The auditory tube drains into the nasopharynx Explanation:
Q: The command to eliminate a table from a database is 2894 05b5cc6a6e4d2b4197774cd2d
5b5cc6a6e4d2b4197774cd2d- 1REMOVE TABLE CUSTOMER;false
- 2UPDATE TABLE CUSTOMER;false
- 3DELETE TABLE CUSTOMER;false
- 4DROP TABLE CUSTOMER;true
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Answer : 4. "DROP TABLE CUSTOMER;"
Explanation :
Answer: D) DROP TABLE CUSTOMER; Explanation: The SQL DROP TABLE statement is used to remove a table definition and all data, indexes,...
Q: In a row of thirty boys, R is fourth from the right end and W is tenth from the left end . How many boys are there between R and W? 2893 05b5cc7f3e4d2b41977751eb6
5b5cc7f3e4d2b41977751eb6- 115false
- 216true
- 317false
- 4can't be determinedfalse
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Answer : 2. "16"
Explanation :
Answer: B) 16 Explanation: W = 10th from the left R = 4th from the right = (30 - 4 + 1= ) 27th from left No of boys between R and W = (27 - 10) - 1 = 16
Q: A computer consists of 2891 05b5cc61ee4d2b4197774b7b0
5b5cc61ee4d2b4197774b7b0- 1motherboardfalse
- 2hard disk drivefalse
- 3central processing unitfalse
- 4All of the abovetrue
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Answer : 4. "All of the above"
Explanation :
Answer: D) All of the above Explanation: A computer system consists of a computer case, a power supply unit, a motherboard, a central processing unit (CPU), main memory, and a hard disk drive. Input devices include a keyboard, mouse, microphone, video camera, and image scanner. Output devices include a monitor, speakers, and a printer.