Number System If the product of two successive positive integers is 4692, what is the smaller number ? 64 66 70 68 64 66 70 68 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ∵ 68 x 69 = 4692
Number System Difference between two numbers is 5, six times of the smaller lacks by 6 from the four times of the greater. Find the numbers? 12, 9 12, 7 11, 6 10, 5 12, 9 12, 7 11, 6 10, 5 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 The difference between a two-digit number and the number obtained by interchanging its two digits is 45. The sum of the digit of the number is 9. What is the product of the two digits of the number? 15 14 12 13 15 14 12 13 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be 10x + y.Therefore, x + y = 9 ..................(i)10x + y - (10y + x) = 4510x + y - 10y - x = 45Therefore, x - y = 5 ..................(ii)From (i) and (ii), x = 7, y = 2Number = 72Therefore, = x x y = 7 x 2 = 14
Number System 20% of the total number of students in a school play football. How many students do not play football if the total number of students in the school is 7600 ? 5800 6000 5976 6080 5800 6000 5976 6080 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 20% of 7600 = 1520Therefore, students who do not play football = 7600 - 1520 = 6080
Number System (95.6x 910.3) ÷ 92.56256 = 9? 14.44 12.24 13.34 15.54 14.44 12.24 13.34 15.54 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 13.34
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