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1. Construct an angle of 90° at the initial point of the given ray. [CBSE-15-6DWMW5A]Answer. 2. Draw a line segment PQ = 8.4 cm. Divide PQ into four equal parts using ruler and compass. [CBSE-14-ERFKZ8H], [CBSE – 14-GDQNI3W], [CBSE-14-17DIG1U]Answer. Steps of
Read MoreQ.1 Find the Area of a Triangle whose two sides are 18 cm and 10 cm respectively and the perimeter is 42cm. Solution: Let us consider the third side of the triangle to be “c”. Now, the three sides of
Read MoreQuestion.1 If a wooden box of dimensions 8 m x 7 m x 6 m is to carry boxes of dimensions 8 cm x 7 cm x 6 cm, then find the maximum number of boxes that can be carried
Read MoreQuestion.1 (a) Why are angiosperms so called ? In which structures do the seeds develop ? Why are cotyledons considered an important part of seed ?(b) Differentiate between the two categories of angiosperms giving an example of each. [SAII – 2014]Answer.(a)
Read MoreQuestion 1.Describe the circumstances which were responsible for the Russian Revolution.Answer:The circumstances which were responsible for the Russian Revolution as given below : The Russian peasantry was in a miserable condition. The farmers could not get even two square meals
Read MoreQuestion.1 Explain the factors which led to the rise of Hitler in Germany.Answer: The factors which led to the rise of Hitler in Germany were : Germany was compelled to sign the treaty by which she had to pay a
Read MoreQuestion 1.What is deforestation ? Why is it considered harmful ?Answer:(a) The disappearance of forests is referred to as deforestation. Forests are cleared for industrial uses, cultivation, pastures and fuelwood.(b) Clearing of forests is harmful as forests give us many
Read MoreQuestion 1.Who are nomadic pastoralists ?Answer: Nomads are people who do not live at one place but move from one area to another to earn their living. In many parts of India, we can see nomadic pastoralists on the move
Read MoreQuestion 1.Why were the farmers and landlords of England greatly alarmed in 1830 ?Answer: The landlords and farmers were greatly alarmed because they were receivingthreatening letters from a mysterious person called Swing. Most of these letters were signed in the
Read MoreQuestion 1.When were the first laws of cricket drawn up? Mention any three such laws.OrMention the first written Laws of Cricket’ drawn up in 1744. [CBSE March 2011,13,15]OrDescribe the first written laws of cricket. [CBSE March 2011]Answer:The first written laws
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