Dinesh > Ramesh > Suresh. So, Suresh is shortest.

Rubber is not a major crop in UP; the rest are.

attern: ×2 -1: 3×2-1=5, 5×2-1=9... next is 17×2 -1 = 33

Letters decrease alternately in pattern: P→M, Q→N, etc.

Each letter is shifted +1 in the alphabet.

All others are perfect squares; 42 is not.

Each number is multiplied by 2.

Only ‘RASA’ can be formed using letters from ‘VARANASI’.

L(12)+U(21)+C(3)+K(11)+N(14)+O(15)+W(23) = 102

He ends up 5 km east of the start point.

All others are in UP; Manali is in Himachal Pradesh.

In a mirror, R becomes Я and A becomes Λ.

North → Left (West) → Right (North) → 180° → South. Correct answer: South.

It is a geometric series with ×3.

Work is inversely proportional to workforce; 10 will take half the time.

Bahraich < Banda < Bareilly < Basti as per alphabetical order.

Lucknow is on the Gomti River, Kanpur on the Yamuna.

All others are in Uttar Pradesh; Giridih is in Jharkhand.

Each letter is shifted +2: A→C, G→I, etc.

Clearly, A > C > B in age, so B is the youngest.

Just replace each alphabet with its position in the alphabet.

The pattern is n(n+1): 1×2, 2×3, 3×4... so next is 6×7 = 42.

Each letter is shifted by +1 alphabetically: L→M, U→V, etc. This is a basic letter shifting cipher.

Helium is lighter than air and non-flammable, making it safe and ideal for filling balloons to make them float.

The iris adjusts the pupil size to regulate the light that enters the eye, helping maintain clear vision.

Red blood cells contain hemoglobin, which binds to oxygen and transports it from lungs to body tissues.

O negative blood lacks A, B, and Rh antigens, making it compatible with all blood types for donation.

Solar cells or photovoltaic cells convert sunlight directly into electrical energy using the photoelectric effect.