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1.

If two quantities x and y vary inversely with each other, then which one of the following is true?

Product of their corresponding values remains constant

Summation of their corresponding values remains constant

Difference of their corresponding values remains constant

Ratio of their corresponding values remains constant

3.

In a meeting,"$\frac{4}{25}$ of the members were female. What percent of the members was this?

24%

4%

16%

40%

4.

A shop reduced its prices by 10%. What is the new price of an item which was previously sold for $\u20b9$500?

$\u20b9$550

$\u20b9$450

$\u20b9$400

$\u20b9$510

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5.

The numerical expression $\frac{3}{7}+\frac{\left(-7\right)}{8}=\frac{25}{56}$ shows that

rational numbers are closed under subtraction

rational numbers are closed under multiplication

rational numbers are closed under division

rational numbers are closed under addition

6.

Let a, b, c be three rational numbers, where a=$\frac{3}{5}$, b= $\frac{2}{3}$ and c =$\frac{-5}{6}$, which one of the following is true?

$a\xf7\left(b+c\right)=b\xf7\left(a+c\right)$

$a+\left(b+c\right)=c+(a+b)$

$a-\left(b-c\right)=c-(a-b)$

$a\times \left(b+c\right)=b\times \left(a+c\right)$

7.

If q is the square of a natural number p, then p is

the square root of q

equal to q

greater than q

the square of q

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9.

In a park, 784 plants are arranged, so that number of plants in a row is same as the number of rows. The number of plants in each row is

28

38

48

18

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