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Mathematical Ab...

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  • Question 1
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    A metallic sphere of radius 10.5 cm is melted and thus recast into small cones, each of radius 3.5 cm and height 3 cm. Find how many cones are obtained.

  • Question 2
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    The angle of intersection of the curves y = 4 − x2 and y = x2 is:

  • Question 3
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    If P and Q are two sets, then (P − Q) ∪ (Q − P) ∪ (P ∩ Q) will be:

  • Question 4
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  • Question 5
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    A TV set is being sold for Rs. X in Delhi. A dealer went to Chandigarh and bought the TV at 20% discount (from the price of Delhi). He spends Rs. 600 on transport. Thus, he sold the set in Delhi for Rs. X making (100/7) % profit what is the value of X?

  • Question 6
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    From the top of a cliff 25 m high the angle of elevation of a tower is found to be equal to the angle of depression of the foot of the tower. The height of the tower is:

  • Question 7
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    Which of the following option is correct?

  • Question 8
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    If A = { x : x ∈ N,  0 < x < 6} and B = {x : x is a prime natural number, 0 < x < 10} Find A - B ?

  • Question 9
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  • Question 10
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    A ladder 15 m long just reaches the top of a vertical wall. If the ladder makes an angle of 60 with the wall, then the height of the wall is:

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