Model test paper maths term 1 2022

Model test paper class 9

In a test paper there are 10 questions . Number of ways in which 6 questions to be answered is

Kalino earned 85, 95, 93 and 80 points on the 4 tests, each worth 100 points, given so far this term. How many points must he earn on his test, also worth 100 points, to average 90 points for the 5 tests given this term?

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In which year James D. Watson and Francis Crick published their first paper on the double-helix model of DNA?

The mileage (km per litre) of 50 cars of the same model was tested by a manufacture and details are tabulated as given below Find the mean mileage. The manufacture claimed that the mileage of the model was 16 kmL. Do you agree with this claim?

What change will you observe if you test soap with litmus paper (red and blue)?

Savitri had t o make a model of a cylindrical Kaleidoscope for her science project. She wanted to use chart paper to make the curved surface of the Kaleidoscope. What should be the area of chart paper required by her, if she wanted to make a Kaleidoscope of length 25 cm with a 3.5 cm radius?

Savitri had t o make a model of a cylindrical Kaleidoscope for her science project. She wanted to use chart paper to make the curved surface of the Kaleidoscope. What should be the area of chart paper required by her, if she wanted to make a Kaleidoscope of length 25 cm with a 3.5 cm radius?