Number System 36% of 850+? % of 592 = 750 12.5 25 75 50 12.5 25 75 50 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 75
Number System If 5/7 of a number is 145, what is 180% of that number ? 375.4 365.4 355.4 345.4 375.4 365.4 355.4 345.4 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 On multiplying a number by 7, the product is a number each of whose digits is 3. The smallest such number is: 47649 47719 47619 48619 47649 47719 47619 48619 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP By hit and trail, we find that47619 * 7 = 333333.7) 333333 (47619 333333---------------- 0
Number System 432+2170+35=? 678 494 523 729 678 494 523 729 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 494
Number System In how many ways can 5 boys be chosen from 6 boys and 4 girls so as to include exactly one girl ? 58 56 60 54 58 56 60 54 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP One girl can be chosen in 4C1 = 4 ways and 4 boys can be chosen in 6C4 = 15 ways ∴ Total number of ways = 4 x 15 = 60 ways.
Number System In how many different ways can the letters of the word "MOBILIZE" be arranged ? 20160 19765 18456 17453 20160 19765 18456 17453 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The word MOBILIZE has eight letters in which I comes twice ∴ Number of arrangements = 8!/2! = 20160
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