Secondary School (English Medium) (5 to 8) इयत्ता ७ - CBSE Question Bank Solutions for Mathematics

Give three rational numbers equivalent to:

`(-3)/4`

Give three rational numbers equivalent to:

`7/11`

Write the next three rational numbers to complete the pattern:

`4/(-5), 8/(-10), 12/(-15), 16/(-20)`, ______, ______, ______.

Write the next three rational numbers to complete the pattern:

`(-8)/7, (-16)/14, (-24)/21, (-32)/28`, ______, ______, ______.

Solve:

`29/4 - 30/7`

Solve:

`5/13 - (-8)/26`

Insert 3 equivalent rational numbers between `(-1)/2` and `1/5`

Insert 3 equivalent rational numbers between 0 and –10

The perimeter of the figure ABCDEFGHIJ is ______.

Out of two figures if one has larger area, then its perimeter need not to be larger than the other figure.

Number of terms in the expression 3x²y – 2y²z – z²x + 5 is ______.

The terms of expression 4x² – 3xy are ______.

Factors of –5x²y²z are ______.

Coefficient of x in –9xy²z is ______.

The side length of the top of square table is x. The expression for perimeter is ______.

The expression for the number of diagonals that we can make from one vertex of a n sided polygon is ______.

The length of a side of square is given as 2x + 3. Which expression represents the perimeter of the square?

The speed of car is 55 km/hrs. The distance covered in y hours is ______.

If (x²y + y² + 3) is subtracted from (3x²y + 2y² + 5), then coefficient of y in the result is ______.

– a – b – c is same as – a – (______).