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 mean deviation 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.708·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.709·Miscellaneous·2024·EasyThree different numbers are selected at random from the first 15 natural numbers. What is the probability that the product of two of the numbers is equal to third number?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 minimum value of P(A) + P(B)?View question
Q.711·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.712·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.713·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.714·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.715·Miscellaneous·2024·EasyIf a, b, c are in HP, then what is b - 1/a + b - 1/c equal to?View question
Q.716·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.717·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
Q.718·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.719·Miscellaneous·2024·EasyAn edible oil is sold at the rates 150, 200, 250, 300 rupees per litre in four consecutive years. Assuming that an equal amount of money is spent on oil by a family in every year during these years, what is the average price of oil in rupees (approximately) per litre?View question
Q.720·Miscellaneous·2024·EasyConsider the following statements : 1.India has secured 10th rank in International Shipment category in World Bank’s Logistics Performance Index Report–2023 2.Global Maritime India Summit–2023 was held in Vishakhapatnam 3.“Maritime Amrit Kaal Vision 2047” was launched during Global Maritime India Summit–2023 How many of the above statements is/are correct ?View question