Number System Three times the first of three consecutive odd integers is 3 more than twice the third. The third integer is: 15 9 13 11 15 9 13 11 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the three integers be x, x + 2 and x+ 4.Then,3x = 2(x + 4) + 3x = 11Third integer = x + 4 = 15.
Number System What number should come in the place of (?) in the following number series ? 1, 4, 9, 25, 49, ?, 169, 289, 361 321 225 121 11 321 225 121 11 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The series is (Prime No.)²So it is (11)² = 121
Number System If the product of two successive positive integers is 4692, what is the smaller number ? 70 64 66 68 70 64 66 68 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ∵ 68 x 69 = 4692
Number System A number consists of two digits. If the digits interchange places and the new number is added to the original number, then the resulting number will be divisible by: 11 3 5 9 11 3 5 9 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the ten's digit be x and unit's digit be y. Then, number 10x + y.Number obtained by interchanging the digits = 10y + x.(10x + y) + (10y + x) = 11(x + y)which is divisible by 11.
Number System 35 + 15 * 1.5 = ? 75 5.25 51.5 57.5 75 5.25 51.5 57.5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given Exp. = 35 + 15 * 3/2 = 35 + 45/2 = 35 + 22.5 = 57.5
Number System Complete the series : 1, 8, 27, 64, 125, 216 ..... 363 373 343 353 363 373 343 353 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 343
EXAMIANS