Joint Entrance Examination (Main)
Question : Which radioactive isotope has a half-life of 5770 years, commonly used to estimate the age of organic materials such as paper and parchment?
Option 1: 9C
Option 2: 12C
Option 3: 14C
Option 4: 17C
Correct Answer: 14C
Solution : The correct option is 14C.
Carbon-14 (C-14) has a half-life of approximately 5,770 years and is commonly used in radiocarbon dating to estimate the age of organic materials. Carbon-14 is used in radiocarbon dating because it undergoes radioactive decay, providing a reliable
Question : Directions: A graph showing the price of rice in India during the years 2000 to 2003 is given below. Study the graph carefully and answer the questions.
For the month of May, the graph shows that the price of rice was the lowest in the year:
Option 1: 2000
Option 2: 2001
Option 3: 2002
Option 4: 2003
Correct Answer: 2003
Solution : From the given graph, the price of rice is seen lowest in 2003. Hence, the answer is 2003.
Hi
You should aim for a percentile score of around 90-95 or higher. While the exact cutoff may vary each year based on factors like difficulty level and the number of candidates, historically, scoring in this range has generally qualified students for JEE Advanced.
Minimum Marks: While specific marks vary
Question : Identify the most appropriate ANTONYM of the underlined word in the given sentence. The game continued due to heavy rainfall after the pitch became completely wet.
Option 1: ongoing
Option 2: played
Option 3: stopped
Option 4: disregarded
Correct Answer: stopped
Solution : The right option is the third option.
Among the given words, stopped is the most suitable antonym for continued in the given sentence, as it directly opposes the idea of something persisting without interruption by indicating an end or cessation.
The meanings of the
Question : Directions: In the following question, out of the four alternatives, select the alternative that will improve the bracketed part of the sentence. In case no improvement is needed, select "No Improvement".
We sat on the floor to eat dinner, and he (appreciate) the fresh food my mother served.
Option 1: 1
Option 2: 2
Option 3: 3
Option 4: 4
Correct Answer: 2
Solution : The sentence can be improved using the second option.
The word "appreciated" is the past form of the verb "appreciate" as it agrees with the tense of the sentence. To maintain parallelism in the sentence, the verb "sat" (past form) should be
Question : Directions: From the given options, which answer figure can be formed by folding the figure given in the question?
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : The opposite pairs of faces are as follows –
So, in the 3D view of dice, 1. Each face out of the three faces in the 3D view should be from all the pairs. 2. Two opposite faces cannot appear adjacently in the 3D view of
Question :
Complete the following sentence:
The aftereffects of the war between the police and the terrorists manifested in the __________.
rubbles
Option 2: ravels
Option 3: tedious
Option 4: Coruscation
Option 5: resplendence
Solution :
The aftereffects of war will be remains of buildings. Thus, rubbles is the correct answer.
Question : Direction: A word is represented by only one set of numbers as given in any one of the alternatives. The sets of numbers given in the alternatives are represented by two classes of alphabets as in the two matrices, given below. The columns and rows of Matrix (I) are numbered from 0 to 4 and that of Matrix (II) are numbered from 5 to 9. A letter from these matrices can be represented first by its row and next by its column, e.g. 'F' can be represented by 30, 23, etc., and 'N' can be represented by 97, 89, etc. Similarly, you have to identify the set for the given word.
DAKU
Option 1: 95, 40, 04, 42
Option 2: 24, 95, 20, 27
Option 3: 88, 24, 10, 34
Option 4: 57, 13, 23, 21
Correct Answer: 57, 13, 23, 21
Solution : Given: DAKU
Number representations of each letter: D → 95, 66, 57, 88, 79 A → 40, 01, 32, 13, 24 K → 10, 31, 42, 23, 04 U → 00, 21, 12, 33, 44
First option: 95, 40, 04, 42 U
To be eligible for JEE Advanced, you should be among the top 2,50,000 successful candidates (including all categories) in B.E./B.Tech. paper of JEE (Main) 2024. and talking about the eligibility of JEE Mains which says that " Only those candidates who have passed the Class 12/equivalent examination in 2022, 2023,
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