NDA questions
2204 published questions with worked solutions.
- What is the number of odd integers between 1000 and 9999 with no digit repeated?
- What is the greatest value of the positive integer n satisfying the condition 1+ 1 2 + 1 4 + 1 8 + + 1 2^ n-1 <2- 1 1000 ?
- A+2 2A+ 3A is equal to which of the following? 1. 4 2A ^2 ( A 2 ) 2. 2 2A ( A 2 + A 2 )^2 3. 8 A A ^2 ( A 2 ) Select the correct...
- If x= 70^ 50^ and y= 60^ 80^ , then what is xy equal to?
- What is the value of (1+ 8 ) (1+ 3 8 ) (1+ 5 8 ) (1+ 7 8 )?
- If x +y =z, then what is the value of (x -y )^2?
- What is the value of (2 ^ -1 0 8)?
- The top of a hill when observed from the top and bottom of a building of height h is at angles of elevation p and q respectively....
- If 18^ = 5 -1 4 , then what is the value of 81^ ?
- A moving boat is observed from the top of a cliff of 150 m height. The angle of depression of the boat changes from 60^ to 45^ in...
- What is 1- 2^ 62^ 152^ - 88^ equal to?
- What is the equation of the right bisector of the line segment joining (1, 1) and (2, 3)?
- What is the radius of the circle passing through the point (2, 4) and having centre at the intersection of the lines x-y=4 and...
- What is the equation of the hyperbola having latus rectum and eccentricity 8 and 3 5 respectively?
- If the point (a, a) lies between the lines |x+y|=2, then which one of the following is correct?
- What is the equation of the straight line which passes through the point of intersection of the straight lines x+2y=5 and...
- If the ellipse 9x^2+16y^2=144 intercepts the line 3x+4y=12, then what is the length of the chord so formed?
- A straight line cuts off an intercept of 2 units on the positive direction of x-axis and passes through the point (-3, 5). What...
- What is the eccentricity of rectangular hyperbola?
- What is the domain of the function f(x)= 1 |x|-x ?