Assignments and Notice

  Passage A simple machine is a tool that makes work easier by changing the size or direction of a force. Simple machines help us lift, move, or cut objects with less effort. There are six types of simple machines: lever, pulley, wheel and axle, inclined plane, wedge, and screw. A lever consists of a rigid bar that rotates around a fixed point called a fulcrum. Examples of levers include a seesaw, crowbar, and bottle opener. A pulley uses a wheel and a rope to lift heavy loads. Cranes and flagpoles use pulleys. A wheel and axle help move objects more easily, such as in bicycles and doorknobs. An inclined plane is a sloping surface used to raise or lower objects with less effort. Ramps are examples of inclined planes. A wedge is used for cutting or splitting materials; knives and axes are wedges. A screw is an inclined plane wrapped around a cylinder and is used to hold objects together or lift materials. Simple machines are commonly used in homes, schools, industries, and c...

  1.      Fractions A water tank is 3/5 full. If the tank can hold 500 litres of water, how many litres of water are currently in the tank? 2.      Percentage A school has 240 students. If 35% of the students are girls, how many girls are there in the school? 3.      Profit and Loss Ram bought a bicycle for Rs. 12,000 and sold it for Rs. 13,500. Find his profit. 4.      Unitary Method If 8 notebooks cost Rs. 320, how much will 15 notebooks cost at the same rate? 5.      Ratio The ratio of boys to girls in a class is 3:2. If there are 18 boys, how many girls are there? 6.      Perimeter A rectangular garden is 25 m long and 18 m wide. What is the perimeter of the garden? 7.      Area A square playground has a side length of 12 m. Find its area. 8.      Speed A bus travels 180 km in 4 hours. What ...

  The Empty Playground When the students of Shree Janajyoti Secondary School returned after the Dashain vacation, they noticed something strange. The playground behind the school was completely empty. The old swings, football posts, and benches had all been removed. During the morning assembly, the principal explained that the school management committee had decided to build a parking area there. According to the principal, more parents and teachers were using vehicles, and the school needed a safe place for parking. Some students agreed with the decision. They believed that a parking area would make the school look modern and organised. They also said that during the rainy season, vehicles often became stuck in the mud outside the school gate. However, many students were unhappy. The playground was the only open area where students could play sports, practice for competitions, and spend time with friends during breaks. The school football team had even won a district-level...

  Passage: The Empty Playground When the students of Shree Janajyoti Secondary School returned after the Dashain vacation, they noticed something strange. The playground behind the school was completely empty. The old swings, football posts, and benches had all been removed. During the morning assembly, the principal explained that the school management committee had decided to build a parking area there. According to the principal, more parents and teachers were using vehicles, and the school needed a safe place for parking. Some students agreed with the decision. They believed that a parking area would make the school look modern and organized. They also said that during the rainy season, vehicles often became stuck in the mud outside the school gate. However, many students were unhappy. The playground was the only open area where students could play sports, practice for competitions, and spend time with friends during breaks. The school football team had even won a distr...