Question Library
Browse our collection of questions across various subjects
Mathematics
Easy
View
What is the number of four-digit decimal numbers (<1) in which no digit is repeated?
NDA Mathematics 2016
NDA 2016
Mathematics
Easy
View
If one root of the equation (1 – m)x² + x + 1 = 0 is double the other and…
NDA Mathematics 2016
NDA 2016
Mathematics
Easy
View
What is the number of ways in which 3 holiday travel tickets are to be given to 10 employees of…
NDA Mathematics 2016
NDA 2016
Mathematics
Easy
View
A fair coin is tossed 100 times. What is the probability of getting tails an odd number of times?
NDA Mathematics 2016
NDA 2016
General Ability
Easy
View
When you walk on a woolen carpet and bring your finger near the metallic handle of a door an electric…
NDA General Ability 2015
NDA 2015
Mathematics
Easy
View
Consider the following statements in respect of a histogram: 1. The total area of the rectangles in a histogram is…
NDA Mathematics 2016
NDA 2016
General Ability
Easy
View
A deep sea diver may hurt his ear drum during diving because of
NDA General Ability 2015
NDA 2015
Mathematics
Easy
View
For the data 3, 5, 1, 6, 5, 9, 5, 2, 8, 6 the mean, median and mode are x,…
NDA Mathematics 2016
NDA 2016
Mathematics
Easy
View
Two cards are drawn successively without replacement from a well-shuffled pack of 52 cards. The probability of drawing two aces…
NDA Mathematics 2015
NDA 2015
Mathematics
Easy
View
The mean of the series x₁, x₂, …, xₙ is X. If x₂ is replaced by λ, then what is…
NDA Mathematics 2016
NDA 2016
General Ability
Easy
View
A solid is melted and allowed to cool and solidify again. The temperature is measured at equal intervals of time.…
NDA General Ability 2015
NDA 2015
Mathematics
Easy
View
In throwing of two dice, the number of exhaustive events that ‘5’ will never appear on any one of the…
NDA Mathematics 2015
NDA 2015
Mathematics
Easy
View
The ‘less than’ ogive curve and the ‘more than’ ogive curve intersect at
NDA Mathematics 2015
NDA 2015
Mathematics
Easy
View
If A and B are two events such that P(A ∪ B) = 3/4, P(A ∩ B) = 1/4 and…
NDA Mathematics 2015
NDA 2015
Mathematics
Easy
View
A point is chosen at random inside a rectangle measuring 6 inches by 5 inches. What is the probability that…
NDA Mathematics 2016
NDA 2016
Mathematics
Easy
View
The mean of five numbers is 30. If one number is excluded, their mean becomes 28. The excluded number is
NDA Mathematics 2015
NDA 2015
General Ability
Easy
View
A person stands on his two feet over a surface and experiences a pressure P. Now the person stands on…
NDA General Ability 2015
NDA 2015
Mathematics
Easy
View
The mean and the variance in a binomial distribution are found to be 2 and 1 respectively. The probability P(X…
NDA Mathematics 2015
NDA 2015
Mathematics
Easy
View
If m is the geometric mean of log(yz), log(zx), log(xy), then what is the value of m?
NDA Mathematics 2016
NDA 2016
Mathematics
Easy
View
If A ⊆ B, then which one of the following is not correct?
NDA Mathematics 2015
NDA 2015