Q.3979·Miscellaneous·2021·EasyA problem is given to three students A, B and C, whose probabilities of solving the problem independently are 1/2, 3/4 and p respectively. If the probability that the problem can be solved is 29/32, then what is the value of p?View question
Q.3980·Miscellaneous·2021·EasyWhen the measure of central tendency is available in the form of mean, which one of the following is the most reliable and accurate measure of variability?View question
Q.3981·Miscellaneous·2021·EasyIf P(A|B) < P(A), then which one of the following is correct?View question
Q.3982·Miscellaneous·2021·EasyConsider 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) Which of the above relations is/are correct?View question
Q.3984·Miscellaneous·2021·EasyWhat is the area bounded by y = [x], the x-axis and the lines x = -1.5 and x = -1.8?View question
Q.3985·Miscellaneous·2021·EasyWhat is the condition that f(x) = x^3 + x^2 + kx has no local extremum?View question
Q.3987·Miscellaneous·2021·Easy3-digit numbers are formed using the digits 1, 3, 7 without repetition of digits. A number is randomly selected. What is the probability that the number is divisible by 3?View question
Q.3988·Miscellaneous·2021·EasyConsider the following statements : 1. A line in space can have infinitely many direction ratios. 2. It is possible for certain line that the sum of the squares of direction cosines can be equal to sum of its direction cosines. Which of the above statements is/are correct?View question
Q.3989·Miscellaneous·2021·EasyThe locus of a point P(x, y, z) which moves in such a way that z = 7 is aView question
Q.3990·Miscellaneous·2021·EasyWhat is the degree of the differential equation of all circles touching both the coordinate axes in the first quadrant?View question
Q.3991·Miscellaneous·2021·EasyLet a , b and c be three vectors such that a , b and c are coplanar. Which of the following is/are correct? 1. ( a × b ) × c is coplanar with a and b 2. ( a × b ) × c is perpendicular to a × b Select the correct answer using the code given below.View question
Q.3992·Miscellaneous·2021·EasyWhat is the mean deviation of the first 10 even natural numbers?View question
Q.3993·Miscellaneous·2021·EasyIf the harmonic mean of 60 and x is 48, then what is the value of x ?View question
Q.3994·Miscellaneous·2021·EasyIf g is the geometric mean of 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, then which one of the following is correct?View question
Q.3995·Miscellaneous·2021·EasyFor 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. Median > Mean Select the correct answer using the code given below.View question
Q.3996·Miscellaneous·2021·EasyThe marks obtained by 60 students in a certain subject out of 75 are given below : What is the mode?View question