The length of a room is three times its breadth. If the perimeter of the room is 64 cm, then its breadth is ……. cm.

A statement followed by some conclusions are given below.
Statement: Unlike Aryabhata, moon is a natural satellite of the Earth.
Conclusions:
I. Aryabhatta is not a satellite.
II. Moon is star and Aryabhatta is a satellite.
Find which of the given conclusions logically follow from the given statement.

Read the following statement and the arguments that follow. Decide which of the arguments is strong.
Statement:
Should written examination in primary schools be abolished?
Arguments:
1. Yes, young students feel the burden and such examinations do not help in the natural thinking process.
2. No, without examination students will not be serious about education and learning.

Reciprocal of $$2\frac{3}{5}$$

$$2 - [3 - \left\{6 - (5 - 4 - 3 + 10)\right\}]$$ = ?