alleryWhich fraction can be written exactly as a terminating decimal?
- 21/56
- 11/42
- 7/30
- 5/18
Show answer and solution
Correct answer: A. 21/56
The fraction 21/56 reduces to 3/8, whose denominator is a power of 2.
RPF Constable Decimals and Fractions — practice questions — page 2
Explore 49 free Decimals and Fractions questions in RPF Constable Arithmetic. Open each question or exercise to read its content, reference answers and available explanation.
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Showing questions 31–49 of 49.
Which fraction can be written exactly as a terminating decimal?Read the answer and worked solution →A wallet holds ₹5/6; ₹1/4 is spent; what amount remains?Read the answer and worked solution →Which number lies strictly between −2/3 and −3/5?Read the answer and worked solution →From 0.8 kg of tea, five 0.15 kg packs are filled; what weight remains?Read the answer and worked solution →Rice loses 2/5 of its weight, then 1/3 of the rest; 12 kg remains; initial weight?Read the answer and worked solution →What integer n makes 5/8 + n/48 = 7/6 true?Read the answer and worked solution →A 2.4 m cord is cut into pieces of (0.75 − 0.35) m; how many pieces?Read the answer and worked solution →Add 0.1666... (6 repeats) and 0.08333... (3 repeats); exact sum?Read the answer and worked solution →Rita spends 3/4 and then 0.2 of her original money; ₹9 remains; original sum?Read the answer and worked solution →A box loses 3/5 of its pens, then 1/4 of the rest; adding 6 makes half the initial count; initial count?Read the answer and worked solution →A 3/4 L mix is 2/5 syrup by volume; how much water makes it 1/4 syrup?Read the answer and worked solution →A positive fraction has denominator 5 more than numerator; adding 1 to both gives 3/4; original fraction?Read the answer and worked solution →How many fractions n/60 are in lowest terms with integer n and 0.4 < n/60 < 0.6?Read the answer and worked solution →Match the arithmetic resultRead the answer and worked solution →Match the arithmetic resultRead the answer and worked solution →Evaluate (−3/5) ÷ (9/10) + 7/6.Read the answer and worked solution →4.8 kg of tea fills 0.16 kg packets. Two-thirds of the packets are sold. How many remain?Read the answer and worked solution →Let x = 0.2333… (3 repeats) and y = 0.1666… (6 repeats). Find (x−y)/(x+y).Read the answer and worked solution →Fractions: calculate and sortRead the answer and worked solution →
Worked practice questions
A wallet holds ₹5/6; ₹1/4 is spent; what amount remains?
- ₹5/12
- ₹1/2
- ₹2/3
- ₹7/12
Show answer and solution
Correct answer: D. ₹7/12
The remaining amount is 5/6 − 1/4 = 10/12 − 3/12 = ₹7/12.
Which number lies strictly between −2/3 and −3/5?
- −0.58
- −0.64
- −0.75
- −0.70
Show answer and solution
Correct answer: B. −0.64
Since −2/3 is about −0.6667 and −3/5 = −0.6, the value −0.64 lies between them.
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