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No verified paper has been uploaded for GBPSC-PMS Mathematics Set-3 yet. The MCQs below are drawn from the Mathematics subject category.
Step 1: Apply order of operations: multiplication before addition/subtraction. Step 2: 5*2 = 10. Step 3: Compute 3 + 10 - 4 = 13 - 4 = 9.
Step 1: Normalize decimals to the same number of places: -0.40, -0.50, -0.49. Step 2: Convert -1/2 = -0.50. Step 3: On the number line, the smallest is the most negative. Step 4: -0.50 is the smallest among -0.50, -0.49, -0.40. Therefore -0.50 is smallest.
Step 1: sqrt(50) = sqrt(25*2) = 5*sqrt(2). Step 2: sqrt(2) is irrational, so 5*sqrt(2) is irrational. Step 3: 0.125 = 1/8 (rational). Step 4: -2/7 is rational. Step 5: 0.333... repeating equals 1/3 (rational). Therefore the irrational choice is sqrt(50).
Step 1: Natural numbers are 1, 2, 3, ... and do not include negative numbers. Step 2: Whole numbers are 0, 1, 2, 3, ... and do not include negatives. Step 3: Integers include ..., -2, -1, 0, 1, 2, ... so -7 is an integer. Step 4: Irrational numbers cannot be written as a/b; -7 is rational but the best classification among the options is Integers.
