Number System If the sum of five consecutive even numbers A, B, C, D and E is 130, what is the product of A and E ? 660 780 720 840 660 780 720 840 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the consecutive even numbers be A = 2x, B = 2x + 2, C = 2x + 4, D = 2x + 6 and E = 2x + 8= A + B + C + D + E = 130= 10x + 20 = 130∴ x = 130 - 20/10 = 11Therefore, product of A and E= 22 x 30 = 660
Number System The sum of three consecutive multiples of 3 is 72. What is the largest number? 36 21 24 27 36 21 24 27 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be 3x, 3x + 3 and 3x + 6.Then,3x + (3x + 3) + (3x + 6) = 729x = 63x = 7Largest number = 3x + 6 = 27.
Number System Write the next number in the series : 14, 16, 13, 17, 12, 18, 11 .... 1 15 7 19 1 15 7 19 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 19
Number System In a division sum, the quotient is 120, the divisor 456 and the remainder 333, find the dividend? 50553 56053 5553 55053 50553 56053 5553 55053 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 120 * 456 + 333 = 55053
Number System Let R = qs—4. When s=8, R=16. When s=10, R is equal to 20 23 22 21 20 23 22 21 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 21
Number System What is the difference between the local values of 3 in the number 53403? 3003 2997 3030 0 3003 2997 3030 0 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3000 – 3 = 2997