Number System Sum of two numbers is 80. Greater number exceeds by 5 from four times of the smaller. Find the numbers? 65, 15 64, 16 60, 20 62, 18 65, 15 64, 16 60, 20 62, 18 ANSWER DOWNLOAD EXAMIANS APP
Number System The sum of the present age of a father and a son is 60 years. Five years before, the age of the father was four times that of son. What is the present age of the son ? 21 years 15 years 18 years 25 years 21 years 15 years 18 years 25 years ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the father's age be x and son's age yTherefore, x + y = 60 ....................(i)Five years back, (x - 5) = 4 (y - 5)x - 4y = - 15 ......................(2)Solving (1) and (2), x = 45 and y = 15
Number System The square root of 0.0081 is: 0.91 0.009 0.9 0.09 0.91 0.009 0.9 0.09 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 0.09
Number System In how many different ways can the letters of the word ANATOMY be arranged ? 2510 2504 2508 2520 2510 2504 2508 2520 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Here total letters are 7 but A comes twice.Therefore, Numbers of arrangements = 7!/2! = 2520
Number System 64% of 2650+40% 0f 320=? 1247 1578 1824 2096 1247 1578 1824 2096 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1824
Number System What should come in the place of question mark (?) in the number series given below? 158 160 159 157 158 160 159 157 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 160