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Mathematics

Fill in the blanks :

(i) (……………) ÷ (56)\Big(\dfrac{-5}{6}\Big) = -30

(ii) (……………) ÷ (-8) = (34)\Big(\dfrac{-3}{4}\Big)

(iii) (1514)\Big(\dfrac{-15}{14}\Big) ÷ (……………) = 52\dfrac{5}{2}

(iv) (-16) ÷ (……………) = 6

Rational Numbers

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Answer

(i) 25 ÷ (56)\Big(\dfrac{-5}{6}\Big) = -30

(ii) 6 ÷ (-8) = (34)\Big(\dfrac{-3}{4}\Big)

(iii) (1514)\Big(\dfrac{-15}{14}\Big) ÷ (37)\Big(\dfrac{\bold{-3}}{\bold{7}}\Big) = 52\dfrac{5}{2}

(iv) (-16) ÷ (83)\Big(\dfrac{\bold{-8}}{\bold{3}}\Big) = 6

Explanation

(i) To find the dividend, multiply the quotient by the divisor: 30×56=25-30 \times \dfrac{-5}{6} = 25.

(ii) The dividend is found by multiplying the quotient and divisor: 34×8=6\dfrac{-3}{4} \times -8 = 6.

(iii) To find the divisor, divide the dividend by the quotient: 1514÷52=37\dfrac{-15}{14} \div \dfrac{5}{2} = \dfrac{-3}{7}.

(iv) The missing divisor is calculated by dividing the dividend by the result: 16÷6=83-16 \div 6 = \dfrac{-8}{3}.

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