Correct Answer: $\frac{251}{315}$

Solution : Let A, B, and C respectively denote the events that the problem is solved by A, B, and C respectively and A', B', and C' respectively denote the events that the problem will not be solved.
P(A) = $\frac{3}{7}$; P(A') = $\frac{4}{7}$
P(B) = $\frac{5}{9}$;

Correct Answer: Indian Statistical Institute, Calcutta

Solution : The correct option is Indian Statistical Institute, Calcutta.

The "Hole Card System," India's first computer, was established at the Indian Statistical Institute (ISI) in Calcutta (now Kolkata). This computer, which was built in-house at ISI, went into operation in 1955. The Hole

Correct Answer:

Solution : On comparing the question figure and all the answer figures, the following figure will combine and make the complete pattern –

Hence, the second option is correct.

Correct Answer: Pachytene

Solution : The correct option is Pachytene.

Crossing over, also known as genetic recombination, occurs during meiosis I's pachytene stage. Pachytene is a critical stage in which homologous chromosomes couple up and exchange genetic material via crossing over. By generating novel combinations of alleles on the chromatids

Correct Answer: Bringing about socialism through democrtic means

Solution : The correct option is  Bringing about socialism through democrtic means

The goal of democratic socialism is to enact socialism using democratic methods. It aims to regain the upper hand in terms of freedom and democracy through the maximum possible decentralization

Correct Answer: 1975

Solution : The correct answer is 1975.

India won the World Cup for the first time in hockey in 1975, beating Pakistan in the final. The competition happened in Malaysia's capital, Kuala Lumpur. India's triumph was significant since they were the very first non-European country to win

Correct Answer: 6 seconds

Solution : Given: The distance of the train is 60 m and its speed is 36 km/h.
To convert km/h into m/s, multiplying by $\frac{5}{18}$ and we get,
= $36\times \frac{5}{18}$ = 10 m/s
We know that, $\text {Time}=\frac{\text{Distance}}{\text{Speed}}$
So, the train will take the required

Correct Answer: Bihar ( including the newly created Jhakhand )

Solution : The correct option is Bihar ( including the newly created Jhakhand )

Jharkhand, in eastern India, is known for possessing some of the country's greatest coal deposits. The state is rich in mineral resources, with coal accounting for

Correct Answer: 888

Solution : Given:
111, 222, 444, ?, 1776, 3552

Here, multiply each number by 2 to get the next number.
111 × 2 = 222; 222 × 2 = 444; 444 × 2 = 888; 888 × 2 = 1776; 1776 × 2 = 3552

So, 888

Correct Answer: Gain 12.5%

Solution : The cost price of 1kg onions = Rs. 40
⇒ Cost price of 800g onions = 0.8 × 40 = Rs. 32
As Ramesh sold 800g instead of 1kg,
Selling price of 800g onions = Rs. 36
So, the profit = 36 – 32