Decimals Test

Result

Decimals Test - 3

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Weekly Quiz Competition

Question 1
1 / -0

2 + (8 × 0.1) + (6 × 0.01) + (4 × 0.001) =

A
0.2864

B
2.864

C
28.64

D
2864

Solution

2 + (8 × 0.1) + (6 × 0.01) + (4 × 0.001) = 2 + 0.8 + 0.06 + 0.004 = 2.864
Question 2
1 / -0

The value of 0.0001289 - 0.0000000274 × 1293 + 0.0000419032 is _______.

A
0.0135375

B
0.000153357

C
135375000

D
0.000135375

Solution

We have, 0.0001289 - 0.0000000274 × 1293 + 0.0000419032 = 0.000135375
Question 3
1 / -0

Which of the following expressions is CORRECT?

A
0.6 < 0.06

B
0.66 = 5/9

C
455 > 11/25

D
1/6 > 0.17

Solution

0.6 > 0.06 (b) 0.66 = 66/100 = 33/50 ≠ 5/9 (c) 455 > 11/25 = 0.44 (d) 1/6 = 0.166 < 0.17
Question 4
1 / -0

The sum of two numbers is 31.021. If one of them is 11.56, then the other number is

A
19.461

B
17.461

C
18.641

D
19.561

Solution

Let the required number be x. According to question, x + 11.56 = 31.021 ⇒ x = 31.021−11.56 = 19.461
Question 5
1 / -0

Which of the following statements is CORRECT?

A
14 tenths 4 thousandths = 0.144

B
2 tenths 13 hundredths = 0.213

C
4 hundredths 2 tenths = 0.024

D
7 tenths 17 hundredths = 0.87

Solution

(a) 14 tenths 4 thousandths =14/10 + 4/1000 = 1.4 + 0.004 = 1.404
(b) 2 tenths 13 hundredths =2/10 + 13/100 = 0.33
Question 6
1 / -0

What is the sum of 11.006 + 34 + 0.72 rounded to the nearest tenths?

A
45.1

B
45.7

C
45.73

D
46

Solution

11.006 + 34 + 0.72 = 45.726 Now, 45.726 rounded to nearest tenths = 45.7
Question 7
1 / -0

The fractional number corresponding to the following number "9 tens + 5 ones + 3 tenths + 7 hundredths" is ______.

A
9437/100

B
9537/100

C
9000/100

D
9637/100

Solution

9 tens + 5 ones + 3 tenths + 7 hundredths = 9 × 10 + 5 × 1 + 3/10 + 7/100 = 90 + 5 + 0.3 + 0.07 = 95.37 = 9537/100
Question 8
1 / -0

Which number is equal to (0.1/0.01 + 0.01/0.1)?

A
10.1

B
1.10

C
1.01

D
10.0

Solution

0.1/0.01 + 0.01/0.1 = 10 + 1/10 = 101/10 = 10.1

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Re-Attempt Weekly Quiz Competition

Decimals Test - 3

Result

Decimals Test - 3

Score

-

Rank

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SHARING IS CARING

Question 1

0.2864

2.864

28.64

2864

Solution

Question 2

0.0135375

0.000153357

135375000

0.000135375

Solution

Question 3

0.6 < 0.06

0.66 = 5/9

455 > 11/25

1/6 > 0.17

Solution

Question 4

19.461

17.461

18.641

19.561

Solution

Question 5

14 tenths 4 thousandths = 0.144

2 tenths 13 hundredths = 0.213

4 hundredths 2 tenths = 0.024

7 tenths 17 hundredths = 0.87

Solution

Question 6

45.1

45.7

45.73

46

Solution

Question 7

9437/100

9537/100

9000/100

9637/100

Solution

Question 8

10.1

1.10

1.01

10.0

Solution

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