engineering recuitment DRDO Technician A 2022 Mock Test Series (Tier I) Logical Reasoning Puzzle Logical Puzzle
Select the correct combination of mathematical signs that can sequentially replace * signs from left to right to balance the following equation.
72 * 81 * 27 * 18 * 9 * 231
1
+, −, ÷, ×, =
2
+, −, ×, ÷, =
3
−, ÷, +, ×, =
4
+, ×, ÷, −, =