Free Decimals 02 Practice Test - 6th grade
Question 1
I have to walk 2.87 km to attend a party at my friend's house. If I have already walked 1500 m, how many more kilometres do I have to walk?
1.17 km
1.27 km
1.37 km
1.47 km
SOLUTION
Solution : C
Total distance = 2.87 km
= 2.87 × 1000 m
= 2870 m
Distance covered = 1500 mRemaining distance = 2870 - 1500
= 1370 m1370 m=13701000=1.37 km
Question 2
Find the digit at the tenths place in 123.456.
2
6
5
4
SOLUTION
Solution : D
Given number is 123.456
Digit in the Hundreds place: 1
Digit in the Tens place: 2
Digit in the Ones place: 3
Digit in the Tenths place: 4
Digit in the Hundredths place: 5
Digit in the Thousandths place: 6So, the digit at tenths place in 123.456 is 4.
Question 3
If you have to represent 5 hours and 45 minutes in hours as decimals, how would you do it?
5.04 hours
5.45 hours
5.44 hours
5.75 hours
SOLUTION
Solution : D
60 minutes = 1 hour
1 minute = 160 hour
45 minutes = 45 × 160
= 4560
= 0.75 hoursSo, 5 hours and 45 minutes =(5+0.75)=5.75 hours
Question 4
Which of the following lies between 0.754646 and 0.755646?
SOLUTION
Solution : D
The number between 0.754646 and 0.755646 must be greater than 0.754646 and smaller than 0.755646. In 0.756446, 0.756464 and 0.756647, digits till hundredth place are same but digit at ten thousandth place is greater than that of 0.755646. So, they are greater than 0.755646. So, only 0.755464 can be the answer.
Question 5
68.2305 + 574.333 + 96.0020 = ____
738.5565
738.6655
738.5655
738.5656
SOLUTION
Solution : C
68.2305+ 574.3330
+ 96.0020
738.5655
____________
Question 6
Convert 74 to decimal form.
1.45
1.55
1.65
1.75
SOLUTION
Solution : D
Multiplying 74 with 25 on numerator and denominator to make denominator as 100.
=7×254×25
=175100=1.75
∴74=1.75
Question 7
Product of 9.52 and 9.82 is ______.
93.4864
9348.64
83.4864
834.864
SOLUTION
Solution : A
The product of 9.52 and 9.82 is given by:
Here multiplicands have 2 decimal places each. Hence, the product will have 4 digits after the decimal point.
Therefore, 93.4864 is the answer.
Question 8
Represent 13+710+31000 as a decimal.
13.730
13.307
13.303
13.703
SOLUTION
Solution : D
13+710 + 31000=13+0.7+0.003
=13.703
Question 9
A shopkeeper purchased 15 chocolates for Rs. 100.65. The cost per piece of chocolate is Rs.
SOLUTION
Solution :Cost per chocolate = Total costNumber of chocolates
= 100.6515
= Rs. 6.71
Question 10
The digit at hundredths place in 13.9 is
SOLUTION
Solution :13.9 = 13.90 ;
Therefore, digit at hundredths place = 0.