Raial has 7 different posters to be hanged in her bedroom, living room and kitchen. Assuming she has plans to place at least a poster in each of the 3 rooms, how many choices does she have?

Similar Questions

If cot $\theta$ = $\frac{x}{y}$, find cosec$\theta$...

Find the angle of the sectors representing each item in pie chart of the following data 6, 10, 14, 1...

From the top of a vertical mast 150m high., two huts on the same ground level are observed. One due ...

If $\sin\theta = \frac{12}{13}$, find the value of $1 + \cos\theta$...

The ages of three men are in the ratio 3:4:5. If the difference between the ages of the oldest and y...

The cross-section of a prism is a right-angled triangle 3cm by 4cm by 5cm. The height of the prism i...

If the sum of the roots of the equation (x - p)(2x + 1) = 0 is 1, find the value of x ...

Simplify $7\frac{1}{12}-4\frac{3}{4}+2\frac{1}{2}$ ...

The interior angle of a regular polygon is twice the exterior angle. How many sides has the polygon?...

Evaluate $\frac{(3.2)^2 - (4.8)^2}{3.2 + 4.8}$...