Fractions and Decimals Test

Result

Fractions and Decimals Test - 11

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Weekly Quiz Competition

Question 1
1 / -0

The vulgar fraction of 0.231 can be: expressed as ____.

A
229/990

B
229/900

C
231/1000

D
231/999

Solution

0.231 = 0.231 × 1000/1000 = 231/1000
Question 2
1 / -0

The quotient when 0.00639 is divided by 0 .213 is____

A
0.3

B
0.03

C
0.003

D
3

Solution

0.00639−0.213 =0.00639/0.213×100000/100000=639/21300=0.03
Question 3
1 / -0

Indian cricket team won 4 more matches than it lost with New Zealand. If it won 3/5 of its matches, how many matches did India play?

A
8

B
12

C
16

D
20

Solution

Let the number of matches lost hex. The number of matches won = x+4. Total matches played = x+x+4 We have, x+4 =3/5 (2x+4) ⇒ x=8
∴ Total matches played = 20
Question 4
1 / -0

Find the value of x. 3889+12.952−x=3854.002

A
47.095

B
47.752

C
47.932

D
47.95

Solution

We have, 3889 +12.952−x=3854.002 ⇒ 3901.952− x = 3854.002 ⇒ x = 3901.952 − 3854.002 ⇒ x = 47.95
Question 5
1 / -0

If the LCM of three numbers is 9570, then their HCF is

A
11

B
12

C
19

D
21

Solution

LCM of three numbers =9570 As HCF is always a factor of LCM ∴ LCM must be completely divisible by HCF Here, 9570 is completely divisible by 11 only. ∴ 11 is HCF of three numbers.