Number System 50% of 8/15 of 9/4 of 5/3 of 333 = ? 666 444 555 333 666 444 555 333 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 50% of [8x9x5/15x4x3 x 333]= 50% of 666= 333
Number System The sum of the ages of a son and father is 65 years. After 5 years the age of father will be double of the age of son. What is the age of son ? 20 years 17 years 18 years 19 years 20 years 17 years 18 years 19 years ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the age of the son be x and the age of the father be y.Therefore, x + y = 65 ..........(i)or, 2 x (x + 5) = (y + 5)or, 2x + 10 = y + 5or, 2x - y = 5 ...................(ii)From equations (i) and (ii), x = 20, y = 45
Number System If three eighth of a number is 141. What will be the approximately value of 32.08% of this number? 90 60 160 120 90 60 160 120 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x * 3/8 = 141 => x= 376376 * 32.08/100 = 120
Number System Four-fifth of a number is 10 more than two-third of the same number. What is the number? 89 91 35 75 89 91 35 75 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 75
Number System In how many different ways can the letters of the word ANATOMY be arranged ? 2520 2508 2504 2510 2520 2508 2504 2510 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Here total letters are 7 but A comes twice.Therefore, Numbers of arrangements = 7!/2! = 2520
Number System The sum of three consecutive multiples of 3 is 72. What is the largest number? 21 36 24 27 21 36 24 27 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be 3x, 3x + 3 and 3x + 6.Then,3x + (3x + 3) + (3x + 6) = 729x = 63x = 7Largest number = 3x + 6 = 27.
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