Tag: decimal fractions in the units of currency, length, weight, capacity

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Questions Related to decimal fractions in the units of currency, length, weight, capacity

Multiple choice maths tenths and hundredths more money decimal fractions in the units of currency, length, weight, capacity understanding tenth and hundredth part of a number

While measuring the length of a sharpened pencil, reading of the scale at one end is $2.0$ cm and at the other end is $12.1$cm. What is the length of the pencil

  1. $14.1$ $cm$
  2. $12.1$ $cm$
  3. $10.1$ $cm$
  4. $2.0$ $cm$
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

length = difference of readings 


$=12.1 cm - 2.0 cm$


$=10.1 cm$

Multiple choice maths tenths and hundredths more money decimal fractions in the units of currency, length, weight, capacity understanding tenth and hundredth part of a number

A drycleaner charges $\$2$ for up to $3$ pounds in weight of clothes and $30$ cents per pound or part there of up to a maximum weight of $10$ pounds per load. What is the cost in dollars of cleaning six and a half pounds of clothes?

  1. $2.80$
  2. $3.05$
  3. $4.28$
  4. $4.70$
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

b'6.5 pounds of clothes is equal to the 7 pound

cost of 3-pound clothes is $2
Remaining 3.5 pound clothes cost$=3.5\times .3=$1.05$
$\therefore $ total cost$=1.05+2=3.05$
'

Multiple choice maths fraction one fraction, many forms use of decimals in measure of length decimal fractions in the units of currency, length, weight, capacity

To convert $\displaystyle ^{\circ}C$ to $\displaystyle ^{\circ}F$ the formula used is

  1. $\displaystyle \left(C\times\frac{9}{5}\right)-32$
  2. $\displaystyle \left(C\times\frac{9}{5}\right)+32$
  3. $\displaystyle \left(C\times\frac{5}{9}\right)+32$

  4. none of these
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The conversion formula for celcius to farenheit is 

= $\left( C\times \dfrac { 9 }{ 5 }  \right) +32$
So, correct answer is option B.