Joint Entrance Examination (Main)
Question : Marble comes under which category of rocks?
Option 1: Sedimentary
Option 2: Igneous
Option 3: Metamorphic
Option 4: None of these
Correct Answer: Metamorphic
Solution : The correct answer is Metamorphic.
Marble is a metamorphic rock that is formed when limestone is metamorphosed. Metamorphic rocks are often created by the change of igneous and sedimentary rocks under the earth's surface owing to the effects of heat and pressure. Example of Metamorphic
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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 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. 'A' can be represented by 02, 14, etc and 'O' can be represented by 55, 67, etc. Similarly, you have to identify the set for the word 'LEND'
Option 1: 34, 43, 40, 56
Option 2: 10, 31, 77, 99
Option 3: 41, 12, 41, 59
Option 4: 22, 14, 65, 75
Correct Answer: 10, 31, 77, 99
Solution : Here, from the matrices (Matrix 1 and matrix 2) we get the numbers that represents the letters of the word 'LEND' —
L — 03, 10, 22, 34, 41
E — 00, 12, 24, 31, 43
N — 58,
Question : Who was credited with discovering the hydrogen isotope, or heavy hydrogen, for which he later received the 1934 Nobel Prize in Chemistry?
Option 1: Francis William Aston
Option 2: Glenn Theodore Seaborg
Option 3: Harold C Urey
Option 4: Fritz Haber
Correct Answer: Harold C Urey
Solution : The correct option is Harold C Urey.
The discovery of the hydrogen isotope deuterium, also known as heavy hydrogen, is credited to Harold Urey. He received the Nobel Prize in Chemistry in 1934 for his work on the hydrogen isotope. Urey's research
Question : Comprehension: In the following passage, some words have been deleted. Fill in the blanks with the help of the alternatives given. Select the most appropriate option for each number.
In 700 BCE Greek poet Hesiod (1)_____ "Theogony" and "Work and Days". In these mythologies, Atlas was a Titan (2)______ enormous strength. He, along with other titans (3)_______ the gods of Mount Olympus. While the other Titans were banished to Tartaras after being defeated by the god Zeus as retribution, Atlas (4)_______ was forced to carry the earth and the sky for an eternity. In depictions of Atlas, obviously carved by human based on myths, he is shown as a stooped figure carrying the (5)_____ on his shoulders. Because of his association with the globe, maps began to be decorated with this image of Atlas. Question: Select the most appropriate option to fill in the blank No. 2.
Option 1: from
Option 2: in
Option 3: of
Option 4: at
Correct Answer: of
Solution : The correct choice is the third option.
The preposition "of" is commonly used to indicate possession or association. In this context, it is used to convey that Atlas was a Titan characterized by enormous strength.
Therefore, the complete sentence would be: "In these mythologies, Atlas
Question : Directions: If GOODNESS is coded as HNPCODTR, how GREATNESS can be written in that code?
Option 1: HQFZUFRTM
Option 2: HQFZSMFRT
Option 3: HQFZUMFRT
Option 4: HQFZUODTR
Correct Answer: HQFZUMFRT
Solution : Given: GOODNESS is coded as HNPCODTR
Here, alternate letters are increased by 1 position in the English alphabet. and the other alternate letters are decreased by 1 position. Like, GOODNESS is coded as HNPCODTR – G + 1 = H; O – 1 = N;
Question : What is the first step in the controlling process?
Option 1: Setting performance standard
Option 2: Measurement of actual performance
Option 3: Comparison of actual performance with standard
Option 4: Analysing deviations
Correct Answer: Setting performance standard
Solution : Setting performance standard is the first step in the controlling process. Hence Option A is correct.
Question : A triangle and a parallelogram have the same base 28 cm and the same area. If the height of the parallelogram is 12 cm, then find the length of the altitude of the triangle.
Option 1: 28 cm
Option 2: 23 cm
Option 3: 24 cm
Option 4: 21 cm
Correct Answer: 24 cm
Solution : Area of the parallelogram = $28 \times 12 = 336\ \mathrm{cm^2}$ Let the length of the altitude of the triangle be $h$ cm. According to the question, $\frac{1}{2}\times h \times 28 = 336$ ⇒ $h = 12\times2$ ⇒ $h = 24\text{ cm}$ Hence, the
Yes as per the Information Bulletin by NTA. Senior Secondary School Examination conducted by the National Institute of Open Schooling with a minimum of five subjects. will be eligible to write an exam for JEE Mains. But to sit for JEE Advanced exam, only top 2.5 lakhs students will get
Question : The first high court in India was established in _______.
Option 1: 1860
Option 2: 1862
Option 3: 1867
Option 4: 1857
Correct Answer: 1862
Solution : The correct answer is 1862.
It was formally known as the High Court of Judicature at Fort William. The first high court in India was established in Calcutta (now Kolkata) in the year 1862 during British rule. After the Sepoy Mutiny in 1857, the
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