Fractions And Decimals Test

Result

Fractions And Decimals Test - 2

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Question 1
1 / -0

If the LCM of three numbers is 1651, then what can be their HCF?

A
9

B
13

C
15

D
18

Solution

LCM of three numbers = 1651

As HCF is always a factor of LCM, so LCM must be completely divisible by HCF.

Here, 1651 is completely divisible by 13 only.

So, 13 is the HCF of three numbers.
Question 2
1 / -0

If the numerator and the denominator of a proper fraction are multiplied by the same number, then the resultant fraction would always be

A
greater than the original fraction

B
smaller than the original fraction

C
equivalent to the original fraction

D
None of the above

Solution

If the numerator and the denominator of a proper fraction are multiplied by the same number, then the resultant fraction would always be equivalent to the original fraction.

Suppose 2/3 is a proper fraction.

Multiplying the numerator and the denominator by 4, it becomes 8/12 which is same as 2/3.
Question 3
1 / -0

The value of 965.5 x 5.1 + 9.6 ÷ 3.2 is

A
4900.75

B
4854.5

C
4927.05

D
6154.9

Solution

965.5 x 5.1 + 9.6 ÷ 3.2

= 4924.05 + 3 = 4927.05