Group D LEVEL 1 Previous Year Question 2025-01-12 Shift 2 Shift Common

Which of the following is in accordance with Law of constant proportions?
a. In water, the ratio of the mass of hydrogen to the mass of oxygen is always 1 : 8. b. The ration of carbon and oxygen in carbon dioxide is always 3 : 8 by mass. c. In ammonia, nitrogen and hydrogen are always present in the ratio 14 : 1 by mass.

Which of the following is a part of the human male reproductive system?

Which of the following is NOT a part of the structural organisation of a cell?

An electric heater of resistance 20 Ω operates for 10 minutes when connected to a 220 V supply. The heat produced is:

Consider the unbalanced reaction: ___C2H6 + ___O2 → ___CO2 + ___H2O Which of the following is the correct set of coefficients to balance this equation?

If a 1533 m long train crosses a pole in 73 seconds, then find the time (in seconds) taken by the train to cross a 420 m long platform.

A, B and C can do a piece of work in 3, 2 and 6 days, respectively. How long (in days) will they take to do thrice the same work, working together?

IF the area of a rectangle is 195 cm^2 and length is 15 cm,then find the perimeter of rectangle.

If \((a - 1)^3 + (a - 4)^3 + (a - 7)^3 = 3(a - 1)(a - 4)(a - 7)\), find the value of \(a\).

A teacher is preparing 15 identical exam folders. Each folder contains: 8 question sheets, 6 answer sheets, and a booklet that includes \(\left[ \frac{27 - 3}{6} + 4 \right]\) additional pages. How many total sheets and pages does the teacher prepare for all 15 folders?