Govt Exams
121(11²), 144(12²), 169(13²), 196(14²) are perfect squares. 220 is not a perfect square.
Each letter is coded by its position in the alphabet. O=15, R=18, A=1, N=14, G=7, E=5
Pattern: Each set is n, 2n, 3n. For 5, it should be 5, 10, 15
Position from right = Total - Position from left + 1 = 10 - 7 + 1 = 4
This follows a logical structure (syllogism) from general premise to specific conclusion, which is deductive reasoning.
Clock measures time. Thermometer measures temperature. The relationship is the same.
Ratio = 2000:3000 = 2:3. A's share = (2/5) × 5000 = Rs. 2000
Passed in at least one = 60 + 70 - 50 = 80%. Failed in both = 100 - 80 = 20%
This is the Fibonacci series where each number is the sum of the previous two. 5 + 8 = 13
(a + b)² = a² + 2ab + b². 64 = a² + b² + 30. a² + b² = 34