Number System The sum of the two digits of a two-digit number is 15 and the difference between the two digits of the two digit number is 3. What is the product of the two digits of the two digit number ? 54 14 36 None of these 54 14 36 None of these ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be 10 x + yWhere x > yAccording to the question,x + y = 15 and x - y = 3Solving both the equations,x = 9, y = 6∴ x x y = 9 x 6 = 54
Number System The difference between a two-digit number and the number obtained by interchanging the two digits is 63. Which is the smaller of the two numbers? Cannot be determined 92 70 29 Cannot be determined 92 70 29 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the ten's digit be x and units digit by y.Then,(10x + y) - (10y + x) = 639(x - y) = 63x - y = 7Thus, none of the numbers can be determined.
Number System Find the number of factors of 300 excluding 1 and itself. 16 18 15 14 16 18 15 14 ANSWER DOWNLOAD EXAMIANS APP
Number System 486+32×25—59=? 528 567 582 596 528 567 582 596 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 528
Number System A laborer is engaged for 30 days on the condition that he receives Rs.25 for each day he works and is fined Rs.7.50 for each day is absent. He gets Rs.425 in all. For how many days was he absent? 9 10 8 6 9 10 8 6 ANSWER DOWNLOAD EXAMIANS APP
Number System If 35% of a number is 899.5, what is 68% of that number ? 1747.6 1547.6 1847.6 2247.6 1747.6 1547.6 1847.6 2247.6 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Suppose the number is x.Then 35% of x = 899.5∴ 68% of x = 68/35 x 899.5 = 1747.6
EXAMIANS