A, B, and C can complete work in 8, 14, and 16 days. How many days will A alone take? A. 13 B. 11 C. 12 D. 15 Explanation: Derived from partial work relation.
A, B, and C together earn Rs. 150/day. A+B earn Rs. 94 and B+C earn Rs. 76. What is C’s earning? A. Rs. 10 B. Rs. 15 C. Rs. 20 D. Rs. 25 Explanation: Solve the system of equations.
A, B, and C start running around a circular track. When do they meet again? A. 26 min 18 sec B. 42 min 36 sec C. 45 min D. 46 min 12 sec Explanation: LCM of times.
A, B, and C rent a pasture for Rs. 870. How much does A pay? A. Rs. 270 B. Rs. 185 C. Rs. 215 D. Rs. 380 Explanation: Share proportional to usage.
A, B, and C invest money in a partnership. What is A’s share? A. Rs. 7500 B. Rs. 7200 C. Rs. 6000 D. Rs. 5750 Explanation: Profit is divided in proportion to investments.
A, B, and C can do work in 20, 30, and 60 days. How many days together? A. 12 days B. 15 days C. 16 days D. 18 days Explanation: Combined rate = 1/20 + 1/30 + 1/60 = 1/12 ⇒ 12 days (scaled option).
A wooden box of dimensions 8 m × 7 m × 6 m is filled with smaller boxes. How many boxes are needed? A. 1200000 B. 1000000 C. 9800000 D. 7500000 Explanation: Volume ratio yields the total number of boxes.
A wholesaler has three lots of goods. What is the average weight? A. 50 B. 36 C. 24 D. 12 Explanation: Weighted average calculation.
A wheel makes 1000 revolutions covering 88 km. What is its diameter? A. 14 m B. 24 m C. 28 m D. 40 m Explanation: Circumference = distance/revolutions ⇒ diameter = 28 m.
A water tank is two-fifths full. Pipe A fills it in 10 minutes, and pipe B empties it. What is the required time? A. 6 min to empty B. 6 min to fill C. 9 min to empty D. 9 min to fill Explanation: Net rate depends on the stronger pipe; here, emptying dominates.