Number System 728.038 x 54.978 - 72.016 x 85.250 = ? 33900 23900 53900 43900 33900 23900 53900 43900 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 728 x 55 - 72 x 85.25 = 40040 - 6138 = 339900
Number System A certain number of two digits is three times the sum of its digits. If 45 be added to it, the digits are reversed. The number is: 22 30 27 24 22 30 27 24 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 27
Number System What is the missing number in this series? 8 2 14 6 11 ? 14 6 18 12 9 7 3 2 9 7 3 2 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 9
Number System In how many different ways can the letters of the word ANATOMY be arranged ? 2520 2510 2504 2508 2520 2510 2504 2508 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Here total letters are 7 but A comes twice.Therefore, Numbers of arrangements = 7!/2! = 2520
Number System The peresent age of the father and the son are in the ratio of 8:3. After 12 years the ratio of their ages will be 2:1. What is the sum of the present age of the father and the son ? 67 years 66 years 69 years 68 years 67 years 66 years 69 years 68 years ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the present age of the father be 'x' and that of the son be 'y'. Then x/y = 8/3∴ 3x = 8y Further, x + 12/y + 12 = 2/1 ∴ x + 12 = 2y + 24 ∴ x - 2y = 12 ......(ii)From eqn (i) and (ii), x = 48, y = 18 ∴ sum = 66 yrs.
Number System How many words can be made using the letters of the word "BHAG WADGITA" if all the vowels come together and all the consonants come together ? 30160 10160 20160 40160 30160 10160 20160 40160 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP No. of words = l2 l4 l7 / l3 l2 = 20160
EXAMIANS