Number System If the product of two successive positive integers is 4692, what is the smaller number ? 64 68 70 66 64 68 70 66 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ∵ 68 x 69 = 4692
Number System The difference between the two digit number and the number obtained by interchanging its digits is 54. The difference between the digits is? Nothing can be said. 1 4 6 Nothing can be said. 1 4 6 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (10x + y) – (10y + x) = 54x – y = 6
Number System Let R = qs—4. When s=8, R=16. When s=10, R is equal to 20 22 23 21 20 22 23 21 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 21
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 ? 6080 5800 6000 5976 6080 5800 6000 5976 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 20% of 7600 = 1520Therefore, students who do not play football = 7600 - 1520 = 6080
Number System √360 - 225 x 2 + 379 = ? 20 19 18 17 20 19 18 17 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = √360 - 225 x 2 + 379 = √360 - 450 + 379 = √289= 17
Number System The difference of two numbers is 1365. On dividing the larger number by the smaller, we get 6 as quotient and 15 as remainder. What is the smaller number? 240 295 360 270 240 295 360 270 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the smallest number be x.Then larger number = (x + 1365)x + 1365 = 6x + 15= 5x = 1350 x = 270Smaller number = 270.
EXAMIANS