SSLC (English Medium) कक्षा ७ - Tamil Nadu Board of Secondary Education Question Bank Solutions

Write the following fraction as percentage.

`36/50`

Write the following fraction as percentage.

`81/30`

Write the following fraction as percentage.

`42/56`

Write the following fraction as percentage.

`2 1/4`

Write the following fraction as percentage.

`1 3/5`

Iniyan bought 5 dozen eggs. Out of that 5 dozen eggs, 10 eggs are rotten. Express the number of good eggs as percentage

Kavin scored 15 out of 25 in a test. The percentage of his marks is

(x² + y²)(y² + x²) = (x² + y²)²

Expand the following square, using suitable identities

(2x + 5)²

Expand the following square, using suitable identities

(mn + 3p)²

Evaluate the following, using suitable identity

51²

Evaluate the following, using suitable identity

103²

Simplify: (a + b)² – 4ab

If a + b = 10 and ab = 18, find the value of a² + b²

Factorise the following using suitable identity

y² + 20y + 100

Factorise the following using suitable identity

36m² + 60m + 25

Factorise the following using suitable identity

a² + 6ab + 9b² – c²

If a + b = 5 and a² + b² = 13, then ab = ?

Using identity, find the value of (100.1)²

Show that (x + 2y)² – (x – 2y)² = 8xy