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

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

How much Mr. Gayle will receive after changing $3500$ Indian rupees into US dollars?

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

  1. $ $34.52$

  2. $ $54.52$

  3. $ $60.52$

  4. $ $70.52$

Show answer
Correct Option: B
Explanation:

$\$1=64.2$ Rs.

$1$ Rs. =$\$\dfrac{1}{64.2}$
$3500$ Rs. $=\dfrac{1}{64.2}\times 3500=54.52$

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

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

  1. $14.1$ $cm$

  2. $12.1$ $cm$

  3. $10.1$ $cm$

  4. $2.0$ $cm$

Show answer
Correct Option: C
Explanation:

length = difference of readings 


$=12.1 cm - 2.0 cm$


$=10.1 cm$

Ten million = __________.

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

  1. $10$ crore

  2. $1$ crore

  3. $100$ crore

  4. $10000$

Show answer
Correct Option: B
Explanation:

ten million = 1 crore..

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?

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

  1. $2.80$

  2. $3.05$

  3. $4.28$

  4. $4.70$

Show answer
Correct Option: B
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$=1.05+2=3.05$
'

How many Canadian dollars(CAD) can a trader buy with $400$ Indian rupees(IRP)?

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

  1. $4.35$ CAD

  2. $7.79$ CAD

  3. $8.43$ CAD

  4. $9.56$ CAD

Show answer
Correct Option: B
Explanation:
$1$ CAD $= 0.019410$INR
$400 INR = 7.76$ CAD

Lakshmi is 150 cm tall .What is her height in metres?

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

  1. 1 metre

  2. 1.5 metres

  3. 15.0 metres

  4. 0.15 metres

Show answer
Correct Option: B
Explanation:
Since 1 m=100 cm
$\therefore$150 cm=$\displaystyle \frac{150}{100}=1.5m$

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

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

  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

Show answer
Correct Option: B
Explanation:

The conversion formula for celcius to farenheit is 

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

Rs. $47$ and paise $50$ can be represented as

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

  1. Rs. $47.50$

  2. Rs. $4.50$

  3. Rs. $4750$

  4. Rs. $475.0$

Show answer
Correct Option: A
Explanation:

1 paisa $= 0.01$ Rs


$\Rightarrow$ 50 paise $= 0.50$ Rs

Rs.$47$ and $50$ paise can hence be written as Rs. $47.50$

Express centimeters into meters.
$1458 \ cm$

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

  1. $14.58$m

  2. $1.458$m

  3. $1458$m

  4. $0.1458$m

Show answer
Correct Option: A
Explanation:

$1$m $= 100$cm


$\Rightarrow 1$cm $= 0.01$m
     $1458$cm $= 14.58$m

Express the following as rupees using decimals:
$235$ paise


Rs.$2.35$

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

  1. True

  2. False

Show answer
Correct Option: A
Explanation:

As we know,


$1 Rs = 100$ paisa


Given, $235$ paisa
So, $235 paisa = \dfrac{235}{100}$ Rs
                         $= 2.35 Rs$