Solve the following word problems :
To find number of notes that Anushka had, complete the following activity.

Solve the following problems : Complete the following table :

Solve the following problems : Complete the following table :

Complete the following activity find n(A cap B) .

Solve the following quadratic equations by factorisation method: complete the following activity to solve the quadratic equation sqart2x^2+7x+5sqrt2=0 by factorisation method:

Solve the following word problems : The sum of a two digit number and the number obtained by interchanging the digits is 143. If the digit at the units place is 3 more than the digit at the tens place, find the original number.

Complete the following activities 3 persons can build a small house in 8 days. Complete the following activity to find the number of Persons required to build the same house in 6 days. Let x persons are required to build the house in 6 days. The number of Persons and the number of days required to build a house are in inverse proportion. Therefore, he product of the number of persons and the number of days is constant.

Solve the following problems : If the angle of incidence is 40⁰ then what must be the angle of reflection ?

Solve 15x+17y=21,17x+15y=11 .Complete the following activity.

Solve the following problems: Solve : 1/(4-p)-1/(2+p)=1/4.

perform any two of the following activities: If tan theta = 1 , then complete the following activity to find cos theta .