Number System (12.04 x 7.5 + 0.8 x 45) ÷ 3 = ? 42.6 42.1 45 54.7 42.6 42.1 45 54.7 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (90.3 + 36) ÷ 3 = 126.3/3 = 42.1
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 Two third of three- fifth of one fourth of a number is 24, what is 30% of that number? 69 90 72 42 69 90 72 42 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x * 2/3 * 3/5 * 1/4 = 24x = 240240 * 30/100 = 72
Number System 4550 ÷ 25% of ? = 130 140 125 135 130 140 125 135 130 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 4550 ÷ ? x 25/100 = 130= 4550 ÷ ?/4 = 130= 4550 x 4/? = 130= ? x 130 = 4550 x 4= ? = 4550 x 4/130 = 140
Number System The sum of three consecutive even numbers is 252. What is the sum of the smallest and the largest numbers? 168 171 170 169 168 171 170 169 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 168
Number System A number when multiplied by five times of itself give the value equal to 1445. What is the number ? 15 18 16 17 15 18 16 17 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x x 5x = 1445= 5x² = 1445= x² = 289∴ x = 17
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