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Published on: 05/09/2019
Decimals
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Questions + Answers key
Take MCQ Mathematics Test

1.
Rajesh has Rs 100. He bought a open for Rs 45.50. Find the amount left with him.
2.
Simplify 714.2 + 42.29 - 414.205 - 2.999
3.
Subtract 3.895 from 75.2.
4.
Add the amount Rs 280.69, Rs 25.2 and Rs 38.
5.
Write each of the following as decimals. Seven-tenths
6.
Make three more examples similar to the one given in question 1 and solve them.
Three more examples similar to the one given in question 1 are as follows:
Can you write the following numbers as decimals?
| S.No. | Hundreds(100) | Tens(10) | Ones(1) | Tenths\(\left( \cfrac { 1 }{ 10 } \right) \) |
| 1 | 6 | 4 | 9 | 2 |
| 2 | 3 | 8 | 4 | 5 |
| 3 | 4 | 6 | 5 | 7 |
7.
Reshma went to the market with Rs 5000 cash. Out of this money she purchased one frock, one toy and one bag costing Rs 1150.48, Rs 540.52 and Rs 2160.70, respectively. How much money is left with her?
8.
One hundred and l-one =
101
1.01
10.1
0.101.
9.
3-tenths =
0.3
0.03
0.003
0.0003.
10.
Which of the following decimals is the greatest?
0.182
0.0925
0.29
0.038
11.
15.8 - 6.73 is equal to
8.07
9.07
9.13
9.25
12.
0.023 lies between
0.2 and 0.3
0.02 and 0.03
0.03 and 0.029
0.026 and 0.024
13.
9 cm 8 mm = _______________ cm
14.
3 part out of 100 = ___________
15.
Fraction \(\frac { 7 }{ 25 } \) is equal to the decimal number ________________
16.
Decimal 16.25 is equal to the fraction ____________
17.
\(9+\frac { 2 }{ 10 } +\frac { 6 }{ 100 } \) is equal to the decimal number _____________
18.
13 rupees 30 paise = Rs 13.03
19.
4 parts out of 100 = \(\frac { 1 }{ 25 } \)
20.
2 kg 52 g is equal to 2.052 g.
21.
Forty five point zero six four is equal to 45.064
22.
180 m 28 cm = 180.028 m
23.
Add the following 270.24 + 12.52 + 1.5
24.
Add the following 280.64 + 25.5 + 28
25.
Anil got Rs 1000 as pocket money. He spent Rs 439.74 in playing games and Rs 246.40 in food. How mush did he save?
26.
Subtract the sum of 71.47 and 47.71 from the sum of 97.79 and 46.2, then find the value.
27.
On Aruna's birthday, his mother bought biscuits for Rs 250, cake for Rs 170.50, chocolate munch for Rs 140.75 and toffees for Rs 120.75. For the total amount spent by her in all.
1.
Rs 54.50
2.
339.286
3.
71.305
4.
Rs 343.89
5.
Seven-tenths=\(7\times \frac { 1 }{ 10 } =\frac { 7 }{ 10 } =0.7\)
6.
1.Required number
=600+40+9+ \(\cfrac { 2 }{ 10 } \) =649.2
2.Required number
= 300 + 80 + 4 + \(\cfrac { 5 }{ 10 } \) = 384.5
3.Required number
=400+60+5+ \(\cfrac { 7 }{ 10 } \) =465.7
7.
Reshma has cash in hand = Rs 5000
Cost of one frock = Rs 1150.48
Cost of one toy = Rs 540.52
Cost of one bag = Rs 2160.70
_____________
\(\therefore\) Total cost = Rs 3851.70
_____________
Total cash in hand = Rs 5000.00
Total money spent = -Rs 3851.70
____________
\(\therefore\) Balance = 1148.30
____________
Hence, the money left with Reshma is Rs 1148.30.
8.
(a)
101
9.
(a)
0.3
10.
(c)
0.29
11.
(b)
9.07
12.
(b)
0.02 and 0.03
13.
( )
9.8 cm
14.
( )
0.03
15.
( )
0.28
16.
( )
\(\frac { 1625 }{ 100 } \)
17.
( )
9.26
18.
(b)
19.
(a)
20.
(b)
21.
(a)
22.
(b)
23.
Here, 270.24 + 12.52+ 1.5 can be written as

270.24 + 12.52 + 1.50 = 284.26
24.
Here 280.64 + 25.5 + 28 can be written as

280.64 + 25.5 + 28 = 334.14
25.
Rs 313.86
26.
24.81
27.
Rs 682
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