1. We are given the rational number: 3/40 We need to convert it into decimal form and determine the correct answer from the given options. Step 1: Convert the Fraction to Decimal To convert 3/40 into a decimal, we divide 3 by 40: 3 ÷ 40 Performing the division: 3.000 (Adding decimal point and zeros toRead more

    We are given the rational number: 3/40
    We need to convert it into decimal form and determine the correct answer from the given options.
    Step 1: Convert the Fraction to Decimal
    To convert 3/40 into a decimal, we divide 3 by 40: 3 ÷ 40
    Performing the division:
    3.000 (Adding decimal point and zeros to divide properly)
    40 goes into 30 0 times. (So, we consider 300)
    40 goes into 300 7 times (since 40 × 7 = 280)Remainder: 300 – 280 = 20
    Bring down a 0 (making it 200)
    40 goes into 200 5 times (since 40 × 5 = 200)Remainder: 0 (Division is complete)
    Thus, 3/40 = 0.075
    Step 2: Compare with Given Options
    The given options are:
    (a) 0.75
    (b) 0.12
    (c) 0.012
    (d) 0.075
    Since we found that 3/40 = 0.075, the correct answer is:  (d) 0.075
    This question related to Chapter 1 Mathematics Class 9th NCERT. From the Chapter 1 Number System. Give answer according to your understanding.

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