Number Magic a textbook of Mathematics 8>Chapter 1 - Rational Numbers>EXERCISE>Q 6

MEDIUM

8th CBSE

IMPORTANT

Earn 100

By what rational number should we divide $\frac{- 28}{81}$ so that the quotient is $\frac{- 2}{3}$ ?

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Important Questions on Rational Numbers

MEDIUM

8th CBSE

IMPORTANT

Number Magic a textbook of Mathematics 8>Chapter 1 - Rational Numbers>EXERCISE>Q 7

Divide the sum of

\frac{- 1}{12}

and

\frac{- 4}{9}

by their difference.

MEDIUM

8th CBSE

IMPORTANT

Number Magic a textbook of Mathematics 8>Chapter 1 - Rational Numbers>EXERCISE>Q 8

Divide the sum of

\frac{5}{9}

and

\frac{- 3}{7}

by the product of

\frac{- 11}{9}

and

\frac{- 4}{7}

.

EASY

8th CBSE

IMPORTANT

Number Magic a textbook of Mathematics 8>Chapter 1 - Rational Numbers>EXERCISE>Q 9

The area of rectangle is

610 m^{2}

. If its breadth is

16 \frac{2}{3} m

, what is its length?

MEDIUM

8th CBSE

IMPORTANT

Number Magic a textbook of Mathematics 8>Chapter 1 - Rational Numbers>EXERCISE>Q 10

A ribbon

61 \frac{1}{4} m

long has been cut into

35

pieces. If the length of each piece is

x m

, find the value of

x

(as an improper fraction).

MEDIUM

8th CBSE

IMPORTANT

Number Magic a textbook of Mathematics 8>Chapter 1 - Rational Numbers>EXERCISE>Q 11

The cost of

2 \frac{1}{2} kg

of sugar is

₹ 58 \frac{3}{4}

. What is the cost of

1 kg

of sugar?

MEDIUM

8th CBSE

IMPORTANT

Number Magic a textbook of Mathematics 8>Chapter 1 - Rational Numbers>EXERCISE>Q 12

How many uniforms can be made from

94 \frac{1}{2} m

of cloth, if each uniforms needs

2 \frac{1}{4} m

cloth?

MEDIUM

8th CBSE

IMPORTANT

Number Magic a textbook of Mathematics 8>Chapter 1 - Rational Numbers>EXERCISE>Q 13

Given that

137 \frac{1}{2} kg

of seeds was distributed equally among

50

farmers. Find the weight of seeds received by each farmer.

MEDIUM

8th CBSE

IMPORTANT

Number Magic a textbook of Mathematics 8>Chapter 1 - Rational Numbers>EXERCISE>Q 14

A train covers

383 \frac{4}{5} km

in

4 \frac{3}{4}

hours. Find its average speed.