Secondary School (English Medium) (5 to 8) Class 7 - CBSE Question Bank Solutions for Mathematics

Fill in the box with the correct symbol >, < or =.

`3/7 square (-5)/6`

Fill in the box with the correct symbol >, < or =.

`5/6 square 8/4`

Fill in the box with the correct symbol >, < or =.

`(-9)/7 square 4/(-7)`

Fill in the box with the correct symbol >, < or =.

`8/8 square 2/2`

Zero is the smallest rational number.

Write the following rational numbers with positive denominators:

`5/(-8)`

Write the following rational numbers with positive denominators:

`15/(-28)`

Write the following rational numbers with positive denominators:

`(-17)/(-13)`

Given that `p/q` and `r/s` are two rational numbers with different denominators and both of them are in standard form. To compare these rational numbers we say that:

`square/square < square/square`, if p × s < r × q

Given that `p/q` and `r/s` are two rational numbers with different denominators and both of them are in standard form. To compare these rational numbers we say that:

`p/q = r/s`, if ______ = ______

Given that `p/q` and `r/s` are two rational numbers with different denominators and both of them are in standard form. To compare these rational numbers we say that:

`square/square > square/square`, if p × s > r × q

Chhaya simplified a rational number in this manner `(-25)/(-30) = (-5)/6`. What error did the student make?

Perimeter of a regular polygon = length of one side × ______.

The subtraction of 5 times of y from x is ______.

Subtracting a term from a given expression is the same as adding its additive inverse to the given expression.

Subtract the following expressions:

–7p²qr from –3p²qr

Subtract the following expressions:

–a² – ab from b² + ab

Subtract the following expressions:

–4x²y – y³ from x³ + 3xy² – x²y

Subtract the following expressions:

x⁴ + 3x³y³ + 5y⁴ from 2x⁴ – x³y³ + 7y⁴

Subtract the following expressions:

ab – bc – ca from –ab + bc + ca