Number System A number when multiplied by five times of itself give the value equal to 1445. What is the number ? 15 16 18 17 15 16 18 17 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x x 5x = 1445= 5x² = 1445= x² = 289∴ x = 17
Number System A number when, 28 subtracted from it reduces to its one third. What is the value of 50% of that number? 42 24 21 84 42 24 21 84 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2/3 x = 28 => x = 4242 * 1/2 = 21
Number System √343 = ? 20 21 18 19 20 21 18 19 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = √343 = 18
Number System 65 x 288 ÷ 52 = 1.8 x ? 200 210 180 190 200 210 180 190 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 65x288/52x1.8 = 200
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: 5 9 11 3 5 9 11 3 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 What should come in the place of question mark (?) in the number series given below? 157 158 159 160 157 158 159 160 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 160
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