Tamil Nadu Board Solutions for Chapter: Information Processing, Exercise 1: Recap

Find the number of all possible triangles that can be formed from the triangle given below.

Use the numbers given in the figure form a $3\times 3$  magic square.

Convert the tree diagram into a numeric expression.

Find the total time (in hours) taken by the bus to reach from $\mathrm{A}$ to $\mathrm{E}$ via $\mathrm{B}, \mathrm{C}$ and $\mathrm{D}$.

Find which is the shortest route from $\mathrm{A}$ to $\mathrm{E}$.

When you plan to buy a shirt, one shop offers a discount of $₹ 200$ on MRP $₹ 1000$ and second shop offers $15\%$ discount on the same MRP. Where would you buy? (Shop: $1$ or $2$)

Amazing park is offers a package deal of $5$ entrance passes for $₹130$. One entrance pass normally costs $₹30$. If we save $₹k$ by taking advantage of this special deal, then find the value of $k$.