Question 11 Mark
Find the value of : $11.6 - 9.847.$
Answer
View full question & answer→$11.6 - 9.847 = 1.753$
Questions
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38 questions · 1 auto-graded MCQ + 37 self-marked written.
Question 21 Mark
Find the value of : $18.5 - 6.79$
Answer
View full question & answer→$18.5 - 6.79 = 11.71$
Question 31 Mark
Find the value of: $21.05 - 15.27$
Answer
View full question & answer→$21.05 - 15.27 = 5.78$
Question 41 Mark
Find the value of :$9.756 - 6.28$
Answer
View full question & answer→$9.756 - 6.28 = 3.476$
Question 51 Mark
Subtract $0.314 \ kg$ from $2.107 \ kg.$
Answer
View full question & answer→$0.314 \ kg$ from $2.107 \ kg = 1.793 \ kg$
Question 61 Mark
Subtract $2.051 \ km$ from $5.206 \ km.$
Answer
View full question & answer→$2.051 \ km$ from $5.206 \ km = 3.155 \ km$
Question 71 Mark
Subtract $₹ 5.36$ from $₹ 8.40$
View full question & answer→Question 81 Mark
Subtract $202.54 m$ from $250 m.$
Answer
View full question & answer→$202.54 m$ from $250 m = 47.56 m$
Question 91 Mark
Subtract $₹ 18.25$ from $₹ 20.75$
Answer
View full question & answer→$Rs .18.25$ from $Rs .20.75 = Rs .2.50$
Question 101 Mark
Find the sum of $280.69 + 25.2 + 38.$
Answer
View full question & answer→$280.69 + 25.2 + 38 = 343.89$
$1\ 1$
$2\ 8\ 0\ .\ 6\ 9$
$2\ 5\ .\ 2\ 0$
$\underline{+\ 3\ 8\ .\ 0\ 0 }$
$\underline{3\ 4\ 3\ .\ 8\ 9}$
$1\ 1$
$2\ 8\ 0\ .\ 6\ 9$
$2\ 5\ .\ 2\ 0$
$\underline{+\ 3\ 8\ .\ 0\ 0 }$
$\underline{3\ 4\ 3\ .\ 8\ 9}$
Question 111 Mark
Find the sum of $0.75 + 10.425 + 2.$
Answer
View full question & answer→$0.75 + 10.425 + 2 = 13.175$
Question 121 Mark
Find the sum of $25.65 + 9.005 + 3.7.$
Answer
View full question & answer→$25.65 + 9.005 + 3.7 = 38.355$
Question 131 Mark
Find the sum of $27.076 + 0.55 + 0.004.$
Answer
View full question & answer→$27.076 + 0.55 + 0.004 = 27.630$
MCQ 141 Mark
Find the sum of $15 + 0.632 + 13.8.$
- A$2\ 8\ .\ 4\ 3\ 2$
- B$2\ 9\ .\ 3\ 3\ 2$
- C$2\ 9\ .\ 3\ 3\ 2$
- ✓$2\ 9\ .\ 4\ 3\ 2$
Answer
View full question & answer→Correct option: D.
$2\ 9\ .\ 4\ 3\ 2$
$15 + 0.632 + 13.8 = 29.432$
$1\ 5\ .\ 0\ 0\ 0$
$\ 0\ .\ 6\ 3\ 2$
$\underline{+1\ 3\ .\ 8\ 0\ 0}$
$2\ 9\ .\ 4\ 3\ 2$
$1\ 5\ .\ 0\ 0\ 0$
$\ 0\ .\ 6\ 3\ 2$
$\underline{+1\ 3\ .\ 8\ 0\ 0}$
$2\ 9\ .\ 4\ 3\ 2$
Question 151 Mark
Find the sum of $0.007 + 8.5 + 30.08.$
Answer
View full question & answer→$0.007 + 8.5 + 30.08 = 38.587$
Question 161 Mark
Express $100\ g$ as kg using decimal.
Answer
View full question & answer→We know that,
$1000 g = 1 \ kg$
Hence,
$100 g =\frac{100}{1000} \ kg = 0.1 \ kg$
$1000 g = 1 \ kg$
Hence,
$100 g =\frac{100}{1000} \ kg = 0.1 \ kg$
Question 171 Mark
Express $2 g$ as kg using decimal.
Answer
View full question & answer→We know that,
$1000 g = 1 \ kg$
$1 g = \frac{1}{1000} k g$
Hence, $\frac{2}{1000}kg = 0.002 \ kg$
$1000 g = 1 \ kg$
$1 g = \frac{1}{1000} k g$
Hence, $\frac{2}{1000}kg = 0.002 \ kg$
Question 181 Mark
Express $88\ m$ as km using decimal.
Answer
View full question & answer→We know that,
$1000\ m = 1 \ km$
Hence, $88\ m = \frac{88}{1000 \mathrm{km}} = 0.088 \ km$
$1000\ m = 1 \ km$
Hence, $88\ m = \frac{88}{1000 \mathrm{km}} = 0.088 \ km$
Question 191 Mark
Express $8\ m$ as km using decimal.
Answer
View full question & answer→We know that,
$1000\ m = 1\ km$
Hence, $8\ m = \frac{8}{1000}\ km = 0.008\ km$
$1000\ m = 1\ km$
Hence, $8\ m = \frac{8}{1000}\ km = 0.008\ km$
Question 201 Mark
Express $164\ mm$ as cm using decimal.
Answer
View full question & answer→$164\ mm = (100 + 64)\ mm = 100 \ mm + 64\ mm$
$= \frac { 100 } { 10 } \mathrm { \ cm } { + \frac { 64 } { 10 } } \mathrm { \ cm } .........[\because 1\ mm= \frac{1}{10} \ cm]$
$= 10 \ cm + 6.4 \ cm$
$= (10 + 6.4) \ cm$
$= (10 + 6 + 0.4) \ cm = (16 + 0.4) \ cm = 16.4 \ cm$
$= \frac { 100 } { 10 } \mathrm { \ cm } { + \frac { 64 } { 10 } } \mathrm { \ cm } .........[\because 1\ mm= \frac{1}{10} \ cm]$
$= 10 \ cm + 6.4 \ cm$
$= (10 + 6.4) \ cm$
$= (10 + 6 + 0.4) \ cm = (16 + 0.4) \ cm = 16.4 \ cm$
Question 211 Mark
Express $60\ mm$ as cm using decimal.
Answer
View full question & answer→We know that,
$10\ mm = 1\ cm$
Hence, $60\ mm =\frac{60}{10 \mathrm{cm}} = 6\ cm$
$10\ mm = 1\ cm$
Hence, $60\ mm =\frac{60}{10 \mathrm{cm}} = 6\ cm$
Question 221 Mark
Express $5\ mm$ as cm using decimal.
Answer
View full question & answer→We know that,
$10\ mm = 1\ cm$
Hence, $5 \mathrm{mm}=\frac{5}{10} \mathrm{cm} = 0.5 \ cm$
$10\ mm = 1\ cm$
Hence, $5 \mathrm{mm}=\frac{5}{10} \mathrm{cm} = 0.5 \ cm$
Question 231 Mark
Express $6 \ cm$ as metre using decimal.
Answer
View full question & answer→We know that,
$100 \ cm = 1\ m$
Hence,
$6 \ cm = \frac{6}{100}\ m$
$= 0.06\ m$
$100 \ cm = 1\ m$
Hence,
$6 \ cm = \frac{6}{100}\ m$
$= 0.06\ m$
Question 241 Mark
Express $15 \ cm$ as metre using decimal.
Answer
View full question & answer→$15 \ cm = \frac { 15 } { 100 }$
$m = 0.15\ m . . . . [ \because { 1 \mathrm { \ cm } } = \frac { 1 } { 100 } m]$
$m = 0.15\ m . . . . [ \because { 1 \mathrm { \ cm } } = \frac { 1 } { 100 } m]$
Question 251 Mark
Express $50$ Rupees $90$ paise as rupees using decimal.
Answer
View full question & answer→$50$ Rupees $90$ paise $= 50$ rupees $+\ 90$ paise
$= 50$ rupees $+\ \frac { 90 } { 100 }$ rupee $. . . . [\because 1 $ paisa $=\frac{1}{100}$ rupee$]$
$= 50$ rupees $+\ 0.90$ rupee
$= (50 + 0.90)$ rupees $= 50.90$ rupees.
$= 50$ rupees $+\ \frac { 90 } { 100 }$ rupee $. . . . [\because 1 $ paisa $=\frac{1}{100}$ rupee$]$
$= 50$ rupees $+\ 0.90$ rupee
$= (50 + 0.90)$ rupees $= 50.90$ rupees.
Question 261 Mark
Express $20$ paise as rupee using decimal.
Answer
View full question & answer→We know that,
$100$ Paise $= 1$ Rupee
Hence,
$20$ Paise = $\frac{20}{100}$ Rupee
$= 0.20$ Rupee
$100$ Paise $= 1$ Rupee
Hence,
$20$ Paise = $\frac{20}{100}$ Rupee
$= 0.20$ Rupee
Question 271 Mark
Express $75$ paise as rupee using decimal.
Answer
View full question & answer→We know that,
$100$ Paise $= 1$ Rupee
Hence,
$75$ Paise $= \frac{75}{100}$ Rupee
$= 0.75$ Rupee
$100$ Paise $= 1$ Rupee
Hence,
$75$ Paise $= \frac{75}{100}$ Rupee
$= 0.75$ Rupee
Question 281 Mark
Express $5$ paise as rupee using decimal.
Answer
View full question & answer→We know that,
$100$ Paise $= 1$ Rupee
Hence,
$5$ Paise $= \frac{5}{100}$ Rupee
$= 0.05$ Rupee
$100$ Paise $= 1$ Rupee
Hence,
$5$ Paise $= \frac{5}{100}$ Rupee
$= 0.05$ Rupee
Question 291 Mark
Which is greater $3.3$ or $3.300$
Answer
View full question & answer→$3.3 = 3.300 = \frac {3300}{1000}$ and $3.300 = \frac {3300}{1000}$
Here, $\frac {3300}{1000}$ = $\frac {3300}{1000}$
$\therefore$ both numbers are equal.
Here, $\frac {3300}{1000}$ = $\frac {3300}{1000}$
$\therefore$ both numbers are equal.
Question 301 Mark
Which is greater $1.431$ or $1.490$
Answer
View full question & answer→$1.431 =\frac {1431}{1000}$ and $1.490 = \frac {1490}{1000}$
Here, $\frac {1431}{1000} < \frac {1490}{1000}$
$\therefore 1.490$ is greater than $1.431$
Here, $\frac {1431}{1000} < \frac {1490}{1000}$
$\therefore 1.490$ is greater than $1.431$
Question 311 Mark
Which is greater $1.5$ or $1.50.$
Answer
View full question & answer→$1.5 = \frac {1.5}{10} = \frac {150}{100}$ and $1.50 = \frac {150}{100}$
Here, $\frac {150}{100} = \frac {150}{100}$
$\therefore$ both are same.
Here, $\frac {150}{100} = \frac {150}{100}$
$\therefore$ both are same.
Question 321 Mark
Which is greater $0.099$ or $0.19$
Answer
View full question & answer→$0.099 = \frac {99}{1000}$ and $0.19 = \frac {19}{100} = \frac {190}{1000}$
Here, $\frac {99}{1000} < \frac {190}{1000}$
$\therefore 0.19$ is greater than $0.099$
Here, $\frac {99}{1000} < \frac {190}{1000}$
$\therefore 0.19$ is greater than $0.099$
Question 331 Mark
Which is greater $1.23$ or $1.2$
Answer
View full question & answer→$1.23 = \frac {123}{100}$ and $1.2 = \frac {12}{10} = \frac {120}{100}$
Here, $\frac {123}{100} > \frac {120}{100}$
$\therefore 1.23$ is greater than $1.2$
Here, $\frac {123}{100} > \frac {120}{100}$
$\therefore 1.23$ is greater than $1.2$
Question 341 Mark
Which is greater $0.5$ or $0.05$
Answer
View full question & answer→Weight of vegetables bought $= 10 \ kg$
Weight of onions $= 3 \ kg\ 500\ g = 3 \ kg + 500 g$
$= 3 \ kg+ \frac{{500}}{{1000}} \ kg = 3 \ kg + 0.500 \ kg ...[\because 1\ g =\frac{1}{{1000}} \ kg]$
$= (3 + 0.500) \ kg = 3.500\ kg$
Weight of tomatos $= 2 \ kg\ 75\ g = 2 \ kg + 75 g$
$= 2 \ kg + \frac{{75}}{{1000}} \ kg = 2 \ kg + 0.075 \ kg ...[\because 1\ g =\frac{1}{{1000}} \ kg]$
$= (2 + 0.075) \ kg = 2 \ kg + 0.075 \ kg$
$\therefore $ Weight of potatoes $= 10 \ kg – 5.575 \ kg = 4.425 \ kg$
Weight of onions $= 3 \ kg\ 500\ g = 3 \ kg + 500 g$
$= 3 \ kg+ \frac{{500}}{{1000}} \ kg = 3 \ kg + 0.500 \ kg ...[\because 1\ g =\frac{1}{{1000}} \ kg]$
$= (3 + 0.500) \ kg = 3.500\ kg$
Weight of tomatos $= 2 \ kg\ 75\ g = 2 \ kg + 75 g$
$= 2 \ kg + \frac{{75}}{{1000}} \ kg = 2 \ kg + 0.075 \ kg ...[\because 1\ g =\frac{1}{{1000}} \ kg]$
$= (2 + 0.075) \ kg = 2 \ kg + 0.075 \ kg$
$\therefore $ Weight of potatoes $= 10 \ kg – 5.575 \ kg = 4.425 \ kg$
Question 351 Mark
Which is greater $3$ or $0.8$
Answer
View full question & answer→Distance travelled by bus $= 15 \ km\ 268 m = 15 \ km + 268 m$
$= 15 \ km + \frac{268}{1000} \ km = 15 \ km + 0.268 \ km ...[\because 1m =\;\frac1{1000} \ km]$
$= (15 + 0.268) \ km = 15.268 \ km$
Distance travelled by car $= 7 \ km\ 7 m = 7 \ km + 7 m$
$= 7 \ km + \frac{7}{1000}km = 7 \ km + 0.007 \ km ...[\because 1m =\;\frac1{1000} \ km]$
$= (7 + 0.007) \ km = 7.007 \ km$
Distance travelled by foot $= 500 m = \frac{500}{1000}km = 0.500 \ km ...[\because 1m =\;\frac1{1000} \ km]$
$\therefore$ Distance of school from residence $= 15.268 \ km + 7.007 \ km + 0.500 \ km = 22.775 \ km$
$= 15 \ km + \frac{268}{1000} \ km = 15 \ km + 0.268 \ km ...[\because 1m =\;\frac1{1000} \ km]$
$= (15 + 0.268) \ km = 15.268 \ km$
Distance travelled by car $= 7 \ km\ 7 m = 7 \ km + 7 m$
$= 7 \ km + \frac{7}{1000}km = 7 \ km + 0.007 \ km ...[\because 1m =\;\frac1{1000} \ km]$
$= (7 + 0.007) \ km = 7.007 \ km$
Distance travelled by foot $= 500 m = \frac{500}{1000}km = 0.500 \ km ...[\because 1m =\;\frac1{1000} \ km]$
$\therefore$ Distance of school from residence $= 15.268 \ km + 7.007 \ km + 0.500 \ km = 22.775 \ km$
Question 361 Mark
Which is greater $0.07$ or $0.02$
Answer
View full question & answer→$0.07 = \frac {7}{100}$ and $0.02 = \frac {2}{100}$
Here, $\frac {7}{100} > \frac {2}{100}$
$\therefore 0.07$ is greater that $0.02$
Here, $\frac {7}{100} > \frac {2}{100}$
$\therefore 0.07$ is greater that $0.02$
Question 371 Mark
Which is greater $5.64$ or $5.603$
Answer
View full question & answer→$5.64 = 5.640 = \frac {5640}{1000}$ and $5.603 = \frac {5603}{1000}$
Here, $\frac {5640}{1000} > \frac {5603}{1000}$
$\therefore 5.64$ is greater than $5.603$
Here, $\frac {5640}{1000} > \frac {5603}{1000}$
$\therefore 5.64$ is greater than $5.603$
Question 381 Mark
Which is greater $0.3$ or $0.4$
Answer
View full question & answer→$0.3 = \frac {3}{10}$ and $ 0.4 = \frac {4}{10}$
Here, $\frac {3}{10} < \frac {4}{10}$
$\therefore 0.4$ is greater than $0.3$
Here, $\frac {3}{10} < \frac {4}{10}$
$\therefore 0.4$ is greater than $0.3$