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how to download written material for practice for ntse

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Ramanpreet Kaur

Shared from Intra STEPS Olympiads - Class 9 ... on Jul 14, 2014 7:18 PM

If there are three different elements X, Y and Z, which of the following statements can be true according to Dalton's atomic theory?

The masses of two atoms of X are 4 g and 7 g.

Two atoms of X combine with 3.5 atoms of Y to form a compound.

Atoms of X and Y have the same atomic mass.

Atoms of X and Z have different masses and chemical properties.

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Manav Sethi

D Please type your answer before submitting.

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Ramanpreet Kaur

Shared from Intra STEPS Olympiads - Class 9 ... on Jul 14, 2014 7:10 PM

A train of mass 20 metric tonnes, moving with a velocity of 72 km/hr, comes to rest with a uniform retardation. Before coming to rest, it covers a distance of 50 m. What is the magnitude of the retarding force?

2 10⁴ N

8 10⁴ N

10 10⁴ N

12 10⁴ N

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Ramanpreet Kaur

2 Please type your answer before submitting.

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Ramanpreet Kaur

Shared from Intra STEPS Olympiads - Class 9 ... on Jul 14, 2014 7:07 PM

A bullet of mass 'm' and velocity 'd' is fired into a wooden block of mass 'M', which is at rest. Which of the given options represents the velocity with which the combined system will move?

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Ramanpreet Kaur

4 Please type your answer before submitting.

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Prannv Dhawan

Posted on Jul 14, 2014 6:06 PM

In the examination, 42% students failed in Hindi and 52% failed in English. If 17% failed in both the subjects, the percentage of those who passed in both the subject is:

23%

27%

34%

40%

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Deependra

23 Please type your answer before submitting.

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Harshini

Posted on Jul 26, 2013 5:46 PM

Anybody has mayuri makhwana's e mail id?

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Sudeep

She has re-activated her account :P

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Harshini

Posted on Jul 27, 2013 3:21 PM

Kab kiya?

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