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

MEDIUM

8th CBSE

IMPORTANT

Earn 100

A family bought $5$ litres of cooking oil on the first day of the month. If $1 \frac{1}{4}$ litres of oil was left over at the end of the month, then what was the family's consumption of cooking oil during that month?

50% studentsanswered this correctly

Important Questions on Rational Numbers

MEDIUM

8th CBSE

IMPORTANT

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

Multiply the following.

\frac{3}{7}

by

\frac{5}{11}

EASY

8th CBSE

IMPORTANT

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

If the product of

\frac{- 19}{18}

and

\frac{6}{7}

is

\frac{- 19}{k}

, find

k

.

EASY

8th CBSE

IMPORTANT

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

Multiply the following.

\frac{2}{3}

by

\frac{9}{- 4}

EASY

8th CBSE

IMPORTANT

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

If the simplest form of

\frac{- 3}{8} \times \frac{6}{- 5}

is

\frac{p}{q}

, find

p + q

.

EASY

8th CBSE

IMPORTANT

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

Multiply the following.

\frac{- 15}{11}

by

7

EASY

8th CBSE

IMPORTANT

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

Multiply

\frac{3}{64}

by

\frac{- 8}{9}

and give the numerator of the resulting product when the denominator is positive.

EASY

8th CBSE

IMPORTANT

Number Magic a textbook of Mathematics 8>Chapter 1 - Rational Numbers>EXERCISE>Q 2

Simplify the following and express the result as a rational number in standard form.

\frac{- 19}{36} \times 16

EASY

8th CBSE

IMPORTANT

Number Magic a textbook of Mathematics 8>Chapter 1 - Rational Numbers>EXERCISE>Q 2

Simplify the following:

\frac{- 12}{5} \times (- 10)