CSSGeneral Science & Ability

8. Show the descending order of weights of the students?

Show the descending order of weights of the students?

From the information given, we know that:

  • Ahmad weighs thrice as much as Ali
  • Ali weighs 5 times as much as Akbar
  • Akbar weighs half as much as Nasir
  • Nasir weighs half as much as Shehbaz

Let’s use some algebra to solve for the weights of the students in terms of Akbar’s weight, which we will represent by the variable “a”.

  • Ali weighs 5 times as much as Akbar, so Ali’s weight is 5a.
  • Ahmad weighs thrice as much as Ali, so Ahmad’s weight is 3(5a) = 15a.
  • Nasir weighs twice as much as Akbar, so Nasir’s weight is 2a.
  • Shehbaz weighs twice as much as Nasir, so Shehbaz’s weight is 2(2a) = 4a.

Therefore, the descending order of weights of the students is:

  1. Ahmad (15a)
  2. Shehbaz (4a)
  3. Nasir (2a)
  4. Ali (5a)
  5. Akbar (a)

Note that we cannot determine the actual weight of any student without knowing the weight of Akbar, but we can compare the relative weights of the students.
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