IIM Bangalore B.Sc Quant Based Puzzles and Optimisation previous year questions

9 Quant Based Puzzles and Optimisation questions from IIM Bangalore B.Sc 2026 (Logical Reasoning), each with its answer and a step-by-step solution.

• Q3Postage stamps are sold in only two denominations, 5 rupees and 8 rupees, and any number of each may be used. In the…IIM B UG (B.Sc-Hons.)- Sample Paper 2026 · Logical Reasoning · Quant Based Puzzles and Optimisation
• Q5Which one of the following CANNOT be the number finally left?IIM B UG (B.Sc-Hons.)- Sample Paper 2026 · Logical Reasoning · Quant Based Puzzles and Optimisation
• Q6Suppose instead of 1 to 20 the numbers 1 to 21 are written on the board at the start, and the same moves are made…IIM B UG (B.Sc-Hons.)- Sample Paper 2026 · Logical Reasoning · Quant Based Puzzles and Optimisation
• Q7As the moves are carried out, which one of the following never changes?IIM B UG (B.Sc-Hons.)- Sample Paper 2026 · Logical Reasoning · Quant Based Puzzles and Optimisation
• Q8Suppose instead that the numbers written on the board at the start are 3, 6, 9, and so on up to 60, that is the first…IIM B UG (B.Sc-Hons.)- Sample Paper 2026 · Logical Reasoning · Quant Based Puzzles and Optimisation
• Q9Exactly one of 100 cables is faulty. The cables can be tested in groups with any number of cables in a group. A tester…IIM B UG (B.Sc-Hons.)- Sample Paper 2026 · Logical Reasoning · Quant Based Puzzles and Optimisation
• Q10A drawer holds 12 black socks, 10 blue socks and 8 grey socks, all mixed together. Socks are taken out one at a time…IIM B UG (B.Sc-Hons.)- Sample Paper 2026 · Logical Reasoning · Quant Based Puzzles and Optimisation
• Q11One hundred people stand in a circle, numbered 1 to 100 clockwise. Starting with person 1, they count off round the…IIM B UG (B.Sc-Hons.)- Sample Paper 2026 · Logical Reasoning · Quant Based Puzzles and Optimisation
• Q15Four people must cross a narrow bridge at night. They have one torch between them, the bridge takes at most two people…IIM B UG (B.Sc-Hons.)- Sample Paper 2026 · Logical Reasoning · Quant Based Puzzles and Optimisation