Number System What is the difference between the local values of 3 in the number 53403? 3030 2997 3003 0 3030 2997 3003 0 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3000 – 3 = 2997
Number System When the square of a number is substracted from (68)², the answer so obtained is 2508. What is the number ? 46 47 44 45 46 47 44 45 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (68)² - x² = 2508Therefore, x² = 4624 = 2508Therefore, x = root of 2116 = 46
Number System A certain number when divided by 39 leaves a remainder 20, what is the remainder when the same number is divided by 13? 5 0 11 7 5 0 11 7 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 39 + 20 = 59/13 = 7 (Remainder)
Number System 384×12×2=? 8465 6123 7487 9216 8465 6123 7487 9216 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 9216
Number System The difference between 8% of a number and 3% of the same number is 39. What is 2.8% of that number ? 21.84 27.84 25.84 24.84 21.84 27.84 25.84 24.84 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ x(8 - 3)% = 39x = 3900/5 = 780∴ 2.8% of 780= 780 x 2.8/100 = 21.84
Number System 65% of 320+?=686 479 480 478 481 479 480 478 481 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 65% of 320+?=686 208+?=686?=686-208?=478
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