NDA questions
2827 published questions with worked solutions.
- What is ( + )-2 + ( - ) equal to?
- If 2 A=3 B=1, then what is (A-B) equal to?
- What is 80^ + 40^ - 20^ equal to?
- What is ( A 2 )- ( A 2 ) equal to?
- What is A+ cosec ,A equal to?
- What is 25^ 15^ + 15^ 50^ + 25^ 50^ equal to?
- Consider the following statements in respect of the function f(x)= ( 1 x ) for x 0 and f(0)=0 : 1. _ x 0 f(x) exists 2. f(x) is...
- What is the value of _ x 0 x^ 3x^ ?
- What is the degree of the differential equation d^3y dx^3 + ( dy dx )^2-x^2 ( d^4y dx^4 )=0?
- Which one of the following is the second degree polynomial function f(x) where f(0)=5, f(-1)=10 and f(1)=6?
- What is dx 2x^2-2x+1 equal to?
- What is dx x(1+ x)^n equal to (n 1)?
- Which one of the following is the differential equation that represents the family of curves y= 1 2x^2-c where c is an arbitrary...
- The differential equation which represents the family of curves given by y=c(1-e^x) is
- What is the derivative of 2^ ( x)^2 with respect to x?
- For what value of k is the function f(x)= cases 2x+ 1 4 , & x<0 , & x=0 (x+ 1 2 )^2, & x>0 cases continuous?
- What is the area of the region enclosed between the curve y^2=2x and the straight line y=x?
- If f(x)= x^3 3 - 5x^2 2 +6x+7 increases in the interval T and decreases in the interval S, then which one of the following is...
- A coin is biased so that heads comes up thrice as likely as tails. For three independent tosses of a coin, what is the...
- A bag contains 20 books out of which 5 are defective. If 3 of the books are selected at random and removed from the bag in...