Number System Subtracting 30 from a number, the remainder is one fourth of the number. Find the number? 40 22 1/2 45 30 40 22 1/2 45 30 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3/4 x = 30 => x = 40
Number System If 5/7 of a number is 145, what is 180% of that number ? 345.4 355.4 375.4 365.4 345.4 355.4 375.4 365.4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ x x 5/7 = 145∴ x = 145 x 7/5 = 203Now, 203 x 180/100 = 365.4
Number System Supply the missing figure : 1, 4, 9, 16, 25 .... 49 16 23 42 36 16 23 42 36 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 36
Number System In how many different ways can the letters of the word CORPORATION be arranged ? 1326400 3326400 None of these 2326400 1326400 3326400 None of these 2326400 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP CORPORATION = 11 letters 'O' comes thrice,'R' twice.∴ total no. of ways = 111/3121 = 3326400
Number System A, B, C, D and E are consecutive even numbers respectively. The average of 5 numbers is 82. What is the product of C and E ? 6383 6353 6363 6373 6383 6353 6363 6373 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x + x + 1 + x + 2 + x + 3 + x + 4 = 5 x 82= 5x + 10 = 410 = 5x = 400= x = 400/5 = 80 ∴ A = 80C = 82and E = 84= C x E = 82 x 84 = 6383
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 24 30 27 22 24 30 27 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 27
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