Axe speaks truth only when Wye does not speak truth, then what is the probability that Zed does not speak truth on a question?
Case (1) : Wye does not speak truth So, Axe speaks truth here Probability that Zed does not speaks truth = 7/20 ×(1-3/5)×(1-5/6) = 7/300 Case (2) : Wye speaks truth So, Axe does not speaks truth here Probability that Zed does not speaks truth = (1-7/20)× 3/5 ×(1-5/6) = 13/200 Required Probability = 7/300+ 13/200 = 53/600
What is the sum of the first 14 terms of an arithmetic progression if the first term is -21 and last term is 40?
A shopkeeper sells a product for ₹720 at a profit of 20%. What was the cost price of the product?
What is the median of 5, 2.5, 7, 8, 1.5,14 and 4?
What will be the 11th term of the arithmetic progression 3, 8, 13, _____?
The 5th and 8th term of an arithmetic progression are 13 and -5 respectively. What is the 15th term?
The 11th term of an AP is 80 less than the first term. If the second term is 88, find the third term.
Present average age of A, B and C together is 44 years. Age of B is 12 Years hence from now will be 260% more than age of A. Four years ago from now whi...
The first odd number is 1, second is 3, third is 5 and fourth is 7 and so on, then find the 188th odd number?
The average of 20 numbers is calculated as 35. However, it was later discovered that one of the numbers was mistakenly recorded as 28 instead of 82. Wha...
Amish invested 2500 Rupees in each of these schemes, offering simple interest of 12% per annum. 16% P.A. and 15% PA. respectively. Find the total intere...
