Correct Answer: 0

Solution : Given: $\frac{1}{a}–\frac{1}{b}=\frac{1}{a–b}$
⇒ $\frac{b–a}{ab}=\frac{1}{a–b}$
⇒ $(b–a)(a–b)=ab$
⇒ $(a–b)^{2}=–ab$
⇒ $a^{2}+b^{2}–2ab=–ab$
⇒ $a^{2}+b^{2}=ab$
⇒ $a^{2}+b^{2}-ab=0$
We know $a^3+b^3=(a+b)(a^2+b^2-ab)$
So, $a^3+b^3=0$
Hence, the correct answer is $0$.

Correct Answer: Electronic records

Solution : The correct answer is (c) Electronic records

In dematerialization, physical share certificates are replaced by electronic records. Dematerialization involves converting physical share certificates, which are paper-based, into an electronic format. The ownership and details of the shares are recorded electronically, and these electronic records

Correct Answer: Ameliorate

Solution : Option 2 is the correct answer.

Ameliorate means to improve and make better something bad or unsatisfactory.

For Example:

He has to ameliorate his performance to secure a good rank in the exam.

Hello student,

To take admission in Narula Institute of Technology, valid score/rank in WBJEE/Jee(Main)/CEE-AMPAI- WB current academic year is necessary. However, there are two options:

The first eligibility criteria is 10+2 standard or equivalent with Physics & Mathematics along with any one of Chemistry / Biotechnology / Biology / Computer

Correct Answer:

Solution : As per the mirror image properties, closer things appear closer to the mirror in the reflection.
Here, according to the information provided, the mirror is placed on the right side of the figure (on line MN). So, the left side of the reflected image will appear

Correct Answer: bring about governance reforms through studies.

Solution : The correct choice is the second option.

Explanation: The error is related to maintaining consistency in verb tense. The phrase "has been set up" is in the present perfect tense, indicating an action that started in the past and

Correct Answer: Political environment

Solution : Political environment constitutes all the factor related to governmnet affairs such as type of government in power, attitude of government towards different groups of societies, policy changes implemented by different government etc. In the above case, Just after the declaration of Lok sabha Election

Correct Answer: 40%

Solution : Given: A person bought some pens at the rate of 14 for a rupee and sold them at the rate of 10 for a rupee.
Profit percentage = $\frac{SP–CP}{CP}×100$, where SP is the selling price and CP is the cost price.
= $\frac{14–10}{10}\times 100$
=

Correct Answer: 6

Solution : The bottom face in the last cube is the face opposite to 4.
Taking dice positions 2 and 3 with 4 as the common face,

Moving clockwise from the common face with 4,

Pairs of opposite faces –

So, the bottom face in the last