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The eligibility criteria for the NDA 2025 is if you are between the 16.5 to 19.5 years old then you are Eligible for the NDA examination without any problem. Candidate must be Indian citizen . And both male and female can
Question : Which is the soft, malleable and silvery-yellow metal with atomic number 59 in the lanthanide series?
Option 1: Neodymium
Option 2: Praseodymium
Option 3: Promethium
Option 4: Gadolinium
Correct Answer: Praseodymium
Solution : The correct option is Praseodymium.
Praseodymium is a chemical element with the symbol Pr and atomic number 59. It is a member of the lanthanide series, which is a group of 15 elements located in the f-block of the periodic table. Praseodymium, like many
Question : The parliament, while in session, begins with a _____.
Option 1: zero hour
Option 2: recess
Option 3: question hour
Option 4: calling attention motion
Correct Answer: question hour
Solution : The correct answer is question hour.
The initial hour of a Lok Sabha session, known as the question hour, holds special significance in parliamentary proceedings. During this time, members exercise their inherent right to ask questions on various facets of administration and government
Question : If $\frac{1}{N}=\frac{(\sqrt6+\sqrt5)}{(\sqrt6-\sqrt5)}$, what is the value of $N$?
Option 1: $6-\sqrt{30}$
Option 2: $6+\sqrt{30}$
Option 3: $11-2\sqrt{30}$
Option 4: $11+2\sqrt{5}$
Correct Answer: $11-2\sqrt{30}$
Solution : Given: $\frac{1}{N}=\frac{(\sqrt6+\sqrt5)}{(\sqrt6-\sqrt5)}$ ⇒ $N=\frac{(\sqrt6-\sqrt5)}{(\sqrt6+\sqrt5)}$ Multiplying numerator and denominator by $(\sqrt6-\sqrt5)$, $N=\frac{(\sqrt6-\sqrt5)\times (\sqrt6-\sqrt5)}{(\sqrt6+\sqrt5)\times (\sqrt6-\sqrt5)}$ Using identities: $(a^2-b^2)=(a-b)(a+b)$ and $(a-b)^2=a^2+b^2-2ab$, $N=\frac{(6+5-2\times \sqrt6\times \sqrt5)}{(6-5)}$ ⇒ $N=11-2\sqrt{30}$ Hence, the correct answer is $11-2\sqrt{30}$.
Question : Parts of the following sentence are given as options. Identify the segment that contains a grammatical error.
This is the album who I found in the garage.
Option 1: in the garage
Option 2: the album
Option 3: who I found
Option 4: This is
Correct Answer: who I found
Solution : The correct choice is the third option.
The pronoun who is an interrogative pronoun and a relative pronoun, which is used to refer to persons. That can be used for people, animals, or things.
Therefore, the correct sentence is: This is the
To be eligible for NDA 1 in 2025 , you must be born in between 2nd July 2006 and 1st July 2009 . Since your date of birth is in between this , you can attempt the exam . Also , as long as you are a twelfth graduate and
Question : The Paris Indian Society was an Indian nationalist organisation founded in ______.
Option 1: 1907
Option 2: 1905
Option 3: 1909
Option 4: 1900
Correct Answer: 1905
Solution : The correct option is 1905.
The Paris Indian Society was an organisation founded in Paris in 1905 to promote Indian nationalist and anti-colonial activities. Zoroastrianism was founded by the prophet Zoroaster (or Zarathustra) in ancient Persia around the 6th century BCE.
Question : Two numbers are in the ratio of 4 : 3. The product of their HCF and LCM is 2700. The difference between the numbers is:
Option 1: 15
Option 2: 30
Option 3: 25
Option 4: 105
Correct Answer: 15
Solution : Ratio of Two numbers = 4 : 3 HCF × LCM = 2700 Product of two numbers = Product of their HCF and LCM Let the numbers be $4x$ and $3x$ respectively ⇒ $x × 12x = 2700$ ⇒ $12x^2 = 2700$ ⇒ $x^2 =
Question : The first Indian Hindi Scholar of the Mughal period was
Option 1: Malik Muhammed Jayasi
Option 2: Abdur Rahim
Option 3: Mulla Wajhi
Option 4: Chand Bardai
Correct Answer: Malik Muhammed Jayasi
Solution : The correct option is - Malik Muhammed Jayasi
The first Indian Hindi scholar of the Mughal period was Malik Muhammad Jayasi. He was a prominent poet and writer who lived during the 16th century. Jayasi is best known for his epic poem Padmavat,
Question : Directions: Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow[s] from the statements. Statements: Some mangoes are apples. All apples are grapes. No pear is a mango. Conclusions: (I) Some grapes are mangoes. (II) No grape is a pear.
Option 1: Both conclusions (I) and (II) follow
Option 2: Neither conclusion (I) nor (II) follows
Option 3: Only conclusion (I) follows
Option 4: Only conclusion (II) follows
Correct Answer: Only conclusion (I) follows
Solution : The possible Venn diagram, according to the given statements is as follows –
Let's analyse the conclusions – Conclusion (I): Some grapes are mangoes – From the Venn diagram, it is evident that the two circles representing grapes and mangoes overlap and
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