Each letter in “DOG” is replaced by the next letter in the alphabet (D→E, O→P, G→H). Applying the same rule to “CAT” (C→D, A→B, T→U) gives “DBU.”

P is Q’s brother (male sibling), and Q is R’s sister (female sibling). Thus, P is R’s brother.

Since all roses are flowers, some flowers must be roses. The color red does not affect this conclusion.

If the day after tomorrow is Wednesday, tomorrow must be Tuesday, so today is Monday.

From the given statements, we know all cats are mammals, so some mammals must be cats. The color black is irrelevant to the conclusion.

The pattern is placing vowels at the start in the order they appear and consonants at the end in reversed order. “SARASWATI” → vowels: A, A, A, I → AASS, consonants: S, R, S, W, T → IRWAT Thus, it becomes AASSIRWAT.

Each letter in MONDAY is assigned numbers 1 to 6. The same letters in WEDNESDAY get the same numbers, and new letters are added in sequence. It’s a logical mapping of unique alphabets in a sequence. It tests memory mapping and reasoning.

Placing B as the central point, A is directly south, and C is directly east. From C's point, A lies to the southwest. This is a directional logic problem requiring diagrammatic visualization. Such questions are common in spatial reasoning.

It is a geometric progression: each number is multiplied by 2. 64×2 = 128. It tests pattern recognition under multiplication.

Agriculture employs the majority of the state's workforce, and crops like rice, wheat, maize, and pulses dominate Bihar’s rural economy.

On 22 March 1912, Bihar was carved out from the Bengal Presidency by the British and declared a separate province.

The Mahabodhi Temple is located at the spot where Siddhartha Gautama attained enlightenment and became Buddha, making it a sacred Buddhist pilgrimage site.

Munger is infamous for both legal arms factories and illegal traditional gunsmiths, making it known as the "Gun Factory of India".

BSPHCL is responsible for power generation, transmission, and distribution in Bihar, playing a key role in electrification and industrial development.

Kanwar Lake is the largest oxbow lake in Asia and is recognized as a wetland of ecological importance, home to many migratory birds.

Gaya is a sacred city for Hindus, where the ritual of 'Pind Daan' is performed to honor ancestors and attain salvation for their souls.

The Muzaffarpur region in Bihar has fertile alluvial soil and a suitable climate, making it ideal for the large-scale cultivation of Shahi Litchi.

Darbhanga is a major center of Maithili culture and classical music, home to many scholars, poets, and musicians.

The Bihar Movement, led by Jayaprakash Narayan (JP), was a student-led protest against corruption in the Congress government, eventually turning into a nationwide anti-Emergency movement.

Mithila or Madhubani painting is a traditional folk art practiced primarily by women in the Mithila region of Bihar, using natural dyes and local motifs

The Kesaria Stupa is believed to have been built where Buddha gave his last sermon before attaining Mahaparinirvana.

Waterhyacinth (Eichhornia crassipes) rapidly invades Punjab’s wetlands, disrupting ecosystems by blocking sunlight and depleting oxygen.

Sher Shah Suri, the founder of the Suri Empire in India, was born in Sasaram, Bihar. His tomb is also located there.

The Barabar Caves date back to the Mauryan period and were built during the reign of Emperor Ashoka for the Ajivika sect

Harike, in Tarn Taran district, is at the Beas and Sutlej junction and is known for the Harike Wetland, a Ramsar site of ecological importance.

Vikramshila was established by King Dharmapala of the Pala dynasty and was one of the prominent centers of Buddhist education in India.

Bodh Gaya is the place where Gautama Buddha attained enlightenment under the Bodhi tree, making it a significant religious site.

Harike, in Tarn Taran district, is at the Beas and Sutlej junction and is known for the Harike Wetland, a Ramsar site of ecological importance.