List of practice Questions

For what value of k, does the quadratic equation 9x2+3x+4= 0, have equal roots?
The pair of linear equations 2x+y-5-0 and 3x-2y-4=0 intersect at the point.
Five years ago. Ramu was thrice as old as Somu and ten years later, Ramu will be twice as old as Somu. Then the present ages of Ramu and Somu respectively are
The number of solutions of the pair of linear equations x+2y=8 and 2x+4y-16 are
If a polynomial of degree 7 is divided by a polynomial of degree 4, then the degree of the quotient is
If a, B are the zeros of the quadratic polynomial x2+x+1, then \(\frac{1}{α}+\frac{1}{β}\) is
Which of the following is a factor of the polynomial x3+x2-17x+15?
If A∩B= d. then which of the following is correct?
If
A=(2) (4, 5) (3) {1, 2, 3) (4) (6, 7) A = {x: x is an even number less than 10} and 
B= {x: x is a prime number less than 10} 
then n(∩) is 
If A = {1, 2, 3, 4, 5) and B = {4, 5, 6, 7}, then A- B=
If the characteristic of logarithm of a number is n, then the number of digits in the number is
Which one of the following statements is true?
The smallest number which leaves remainders 8 and 12 when divided by 28 and 32 respectively is
If p, q are co-prime numbers, then HCF (p,q)= p, q
If a, b, c are real numbers, then which one of the following shows associative property addition?
Which of the following rational numbers has terminating decimal expansion?
Which of the following is an irrational number?
The difference between the maximum and minimum observations in the data is
If mean of first n natural numbers is 15, then the value of n is
If the median of 10 observations 20, 22, 27, 28, 32, x+ 2, 39, 40, 41, 50 arranged in the ascending order is 34, then the value of x is
A car manufacturing company announced that most of the people are showing interest to purchase red colour cars. The measure of central tendency they selected for this observation is
The mean of 100 observations is 49. By an error 60, 70, 80 are registered as 40, 20, 50 respectively. The correct mean is
In a graphical representation of a frequency distribution, if the distance between mode and mean is k times the distance between median and mean, then the value of k is
If E and E are the events of occurrence and non-occurrence of a random experiment respectively and P(E) = 0-05, then P(E) =
If a die is thrown once, then the probability of getting a prime number is