Number System When the square of a number is substracted from (68)², the answer so obtained is 2508. What is the number ? 44 45 47 46 44 45 47 46 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (68)² - x² = 2508Therefore, x² = 4624 = 2508Therefore, x = root of 2116 = 46
Number System 7432 ÷ 32 x ? = 2787 78 21 41 12 78 21 41 12 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 7432/32 x ? = 2787= ? = 2787 x 32/7432 = 12
Number System (3² x 4² x 5) ÷ 36 = (?)² - 80 12 10 14 16 12 10 14 16 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (?)² = 3² x 4² x 5/36 + 80= 20 + 80 = 100∴ ? = √100 = 10
Number System 1051.64 - 159.42 - 96.84 + 162.37 - 940.26 + 504 = ? 511.49 501.49 491.49 521.49 511.49 501.49 491.49 521.49 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 1718.01 - 1196.52 = 521.49
Number System In how many different ways can the letters of word "SENTENCE" be arranged ? 3260 2360 3360 6460 3260 2360 3360 6460 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Number of ways = 8!/3! 2! = 40320/12 = 3360
Number System What is 25/2% of 482 times of 183 ? 12025.75 11025.75 11050.75 12025.50 12025.75 11025.75 11050.75 12025.50 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 25/2% of [482 x 183]= 25/2% of 88206= 25/2 x 88206 / 100= 88206 / 8= 11025.75
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