NDA questions
2295 published questions with worked solutions.
- Where does the tangent to the curve y=e^x at the point (0, 1) meet x-axis?
- Consider the following statements in respect of the function f(x)=x+ 1 x : 1. The local maximum value of f(x) is less than its...
- What is the maximum area of a rectangle that can be inscribed in a circle of radius 2 units?
- What is dx x(x^2+1) equal to?
- What is the condition that f(x)=x^3+x^2+kx has no local extremum?
- If f(x)=2^x, then what is _2^ 10 f'(x) f(x) ,dx equal to?
- If _ -2 ^0f(x) ,dx=k, then _ -2 ^0|f(x)| ,dx is
- If the function f(x)=x^2-kx is monotonically increasing in the interval (1, ), then which one of the following is correct?
- What is the area bounded by y=[x], where [ ] is the greatest integer function, the x-axis and the lines x=-1 5 and x=-1 8?
- The tangent to the curve x^2=y at (1, 1) makes an angle with the positive direction of x-axis. Which one of the following is...
- Consider the following relations for two events E and F : 1. P(E F) P(E)+P(F)-1 2. P(E F)=P(E)+P(F)+P(E F) 3. P(E F) P(E)+P(F)...
- If P(A B)<P(A), then which one of the following is correct?
- When the measure of central tendency is available in the form of mean, which one of the following is the most reliable and...
- In a cricket match, a batsman hits a six 8 times out of 60 balls he plays. What is the probability that on a ball played he does...
- What is the mean of natural numbers contained in the interval [15, 64]?
- For the set of numbers x, x, x+2, x+3, x+10 where x is a natural number, which of the following is/are correct? 1. Mean > Mode 2....
- If g is the geometric mean of 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, then which one of the following is correct?
- If the harmonic mean of 60 and x is 48, then what is the value of x?
- What is the mean deviation of first 10 even natural numbers?
- If _ i=1 ^ 10 x_i=110 and _ i=1 ^ 10 x_i^2=1540 then what is the variance?