1. In a class test containing 20 questions, 4 marks are given for every correct answer and (-2) marks are given for every incorrect answer. Ranjitha attempts all questions and 12 of her answers are correct. What is her total score?
2. Gopi loaded 6 bags of wheat, each weighing 48.45kg and 10 bags of rice each weighing 49.5 kg, in a van. Find the total weight of the two items in the van.
3. Arrange in ascending order:
4. Find the perimeter of the triangle whose sides measure
5. Verify that a = -10, b=5, c= -2
6. Find the value of the following: (
7. A magazine has 120 pages of which are for advertising, have only photographs on them and the rest are articles and stories. How many pages have articles and stories on them?
8. A submarine left the surface of the water at the rate of -2m per second. At this rate how long would it take submarine to reach -60m level.
9a. Find the value of
b.
c.
10. A flask weighs 64.25g when empty and 150.35g when full of water. Find its weight when it is half full of water.
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