List of top Data Interpretation & Logical Reasoning (DILR) Questions on Data Sufficiency asked in BHU PET

Who types at a faster rate, Navin or Sapna?
Statement I: The difference between their typing rates is 10 words per minute.
Statement II: Sapna types at a constant rate of 80 words per minute.

If we assume a constant reading rate, can Sunil finish the book in 6 hours?
Statement I: Sunil reads 54 pages an hour.
Statement II: In 2 hours, he reads half the book.

In a certain packing house, grapefruits are packed in bags and the bags are packed in cases. How many grapefruits are in each case?
Statement I: The grapefruits are always packed 5 to a bag and the bags are always packed 8 to a case.
Statement II: Each case is always 80% full.