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NDA || 25 day Challenge || Quiz 2020

Attempt now to get your rank among 192 students!

Question 1

The sum to infinity of the series

 is

Question 2

If the equations  and  have root in common, then

Question 3

The solution set of  is

Question 4

The value of  for which the angle between the vectors  and  is acute, and the angle between the vector  and the axis of ordinates is obtuse, are

Question 5

The values of  for which the points  with position vectors  ,  and  respectively are the vertices of a right angled triangle with  are

Question 6

For any three vector  are such that , then

Question 7

If  for , then = ?:

Question 8

The area enclosed between the curve  and the coordinate axes, is

Question 9

If , then the number of solutions in the interval  is

Question 10

The value of  is

Question 11

From a pack of cards, 2 cards are drawn at random one by one with replacement. The probability that the first is diamond and second is ace is equal to:

Question 12

If  then n is equal to:

Question 13

If , then the derivative of the composite function  is equal to

Question 14

The equation of a line touching both the parabolas  and , is

Question 15

The sum of (p + q)th and (p — q)th terms of an AP is equal to
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NDA
Dec 2NDA