Number System The difference between 78% of a number and 59% of the same number is 323. What is 62% of that number ? Rs. 986 Rs. 926 Rs. 1054 Rs. 945 Rs. 986 Rs. 926 Rs. 1054 Rs. 945 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.78% of x - 59% of x = 323= 78x - 59x/100 = 323= 19x/100 = 323∴ x = 323 x 100/19 = 1700= 62% of 1700 = 1700 x 62/100 = 1054
Number System What value should come in place of ? in the given number series ? 15, 51, 162, 498, 1509, ? 3434 5656 4545 7878 3434 5656 4545 7878 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 15, (15 + 2) x 3 = 51,(51 + 3) x 3 = 162, (162 + 4) x 3 = 498, (498 + 5) x 3 = 1509(1509 + 6) x 3 = 4545
Number System Find the least number with which 16200 should be multiplied, to make it a perfect cube. 360 48 45 36 360 48 45 36 ANSWER DOWNLOAD EXAMIANS APP
Number System In how many different ways can the letters of the word "MOBILIZE" be arranged ? 17453 18456 19765 20160 17453 18456 19765 20160 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The word MOBILIZE has eight letters in which I comes twice ∴ Number of arrangements = 8!/2! = 20160
Number System Find the nearest to 25268 which is exactly divisible by 467? 25308 25208 25228 25218 25308 25208 25228 25218 ANSWER DOWNLOAD EXAMIANS APP
Number System If (17)3 is subtracted from the square of a number, the answer so obtained is 2143. What is the number ? 83 82 84 81 83 82 84 81 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x² - (17*17*17) = 2143or x² = 2143 + 4913 = 7056∴ x = 84
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