Number System 1260 x 1.45 - 888 x 1.75 = ? 256 273 295 367 256 273 295 367 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 1260 x 1.45 - 888 x 1.75= 1827 - 1554 = 273
Number System When the square of a number is substracted from (68)², the answer so obtained is 2508. What is the number ? 47 45 46 44 47 45 46 44 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (68)² - x² = 2508Therefore, x² = 4624 = 2508Therefore, x = root of 2116 = 46
Number System The digit in unit's place of a three digit number is thrice the digit in ten's place & the digit in hundred's place is two-third of the digit in ten's place. If the sum of three digits of number is 14 221 215 239 211 221 215 239 211 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the ten's digit be x.∴ Unit's digit = 3xHundered's digit = 2x/3∴ x + 3x + 2x/3 = 14= 3x + 9x + 2x = 14 x 3= 14x = 14 x 3= x = 3∴ Number = 239
Number System Let R = qs—4. When s=8, R=16. When s=10, R is equal to 20 21 23 22 20 21 23 22 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 21
Number System 7432 ÷ 32 x ? = 2787 21 12 78 41 21 12 78 41 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 7432/32 x ? = 2787= ? = 2787 x 32/7432 = 12
Number System What is the sum of all the prime numbers from 20 to 40? 117 120 118 119 117 120 118 119 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 23 + 29 + 31 + 37 = 120
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