Q.703·Miscellaneous·2024·EasyHow many 4-digit numbers are there having all digits as odd?View question
Q.704·Miscellaneous·2024·EasyThe marks obtained by 10 students in a Statistics test are 24, 47, 18, 32, 19, 15, 21, 35, 50 and 41. What is the variance of the largest five observations ?View question
Q.705·Miscellaneous·2024·EasyLet A and B be two square matrices of same order. If AB is a null matrix, then which one of the following is correct?View question
Q.707·Miscellaneous·2024·EasyIn how many ways can the letters of the word INDIA be permuted such that in each combination, vowels should occupy odd positions?View question
Q.708·Miscellaneous·2024·EasyThe marks obtained by 10 students in a Statistics test are 24, 47, 18, 32, 19, 15, 21, 35, 50 and 41. What is the mean deviation of the largest five observations ?View question
Q.709·Miscellaneous·2024·EasyThe letters of the word EQUATION are arranged in such a way that all vowels as well as consonants are together. How many such arrangements are there?View question
Q.710·Miscellaneous·2024·EasyLet A and B be two events such that P(AUB) ≥ 0-75 and 0-125 < P(ANB) 0-375. What is the maximum value of P(A) + P(B)?View question
Q.711·Miscellaneous·2024·EasyA, B and C are three events such that P(A) = 0-6, P(B) = 0-4, P(C) = 0-5, P(AUB) = 0-8, P(ANC) = 0-3 and P(ANBNC) = 0-2 and P(AUBUC) > 0-85. What is the minimum value of P(B|C)?View question
Q.712·Miscellaneous·2024·EasyLet A and B be two events such that P(AUB) ≥ 0-75 and 0-125 < P(ANB) 0-375. What is the minimum value of P(A) + P(B)?View question
Q.713·Miscellaneous·2024·EasyA, B and C are three events such that P(A) = 0-6, P(B) = 0-4, P(C) = 0-5, P(AUB) = 0-8, P(ANC) = 0-3 and P(ANBNC) = 0-2 and P(AUBUC) > 0-85. What is the maximum value of P(B|C)?View question
Q.714·Miscellaneous·2024·EasyFrom data (-4, 1), (-1, 2), (2, 7) and (3, 1), the regression line of y on x is obtained as y = a + bx, then what is the value of 2a + 15b?View question
Q.715·Miscellaneous·2024·EasyIf two random variables X and Y are connected by relation 2X - 3Y = 4 and X follows Binomial distribution with parameters n = 10 and p = 1/2, then what is the variance of Y?View question
Q.716·Miscellaneous·2024·EasyA bag contains 5 black and 4 white balls. A man selects two balls at random. What is the probability that both of these are of the same colour?View question
Q.717·Miscellaneous·2024·EasyIf a, b, c are in HP, then what is b - 1/a + b - 1/c equal to?View question
Q.718·Miscellaneous·2024·EasyLet f(x) and g(x) be two functions such that g(x)=x- 1/x and f o g(x) = x^3 - 1/x^3 What is f'(x) equal to?View question
Q.719·Miscellaneous·2024·EasyLet f(x) and g(x) be two functions such that g(x)=x- 1/x and f o g(x) = x^3 - 1/x^3 What is g(f(x) - 3x) equal to?View question
Q.720·Miscellaneous·2024·EasyLet f(x)=|x| + 1 and g(x)=[x] − 1, where [.] is the greatest integer function. Let h(x) = f(x)/g(x) Consider the following statements: 1.f(x) is differentiable for all x < 0 2.g(x) is continuous at x = 0.0001 3.The derivative of g(x) at x = -2.5 is 1 Which of the statements given above are correct?View question