Number System Sum of two consecutive even terms lacks by 98 from their product. Find the sum of these number 18 32 24 None 18 32 24 None ANSWER DOWNLOAD EXAMIANS APP
Number System If the difference between a number and its three-fourth is 18, find the number. 72 68 57 61 72 68 57 61 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.According to the question,x - 3x/4 = 18= x/4 = 18= x = 4 x 18 = 72
Number System The difference between 68% of a number and 35% of the same number is 1216. What is 28% of the number ? 1037.75 1043.75 1031.75 1027.75 1037.75 1043.75 1031.75 1027.75 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the no. be xTherefore 68x / 100 - 35x / 100 = 1216 Therefore x = 1216 x 100 / 33Therefore 28% of x = 28x / 100 = 1216 x 100 / 33 x 28 / 100= 1216 x 100 x 28 / 33 x 1/100 = 1031.75
Number System The average of five consecutive even numbers A, B, C, D and E is 42. What is the product of B and D ? 1760 2476 3289 4589 1760 2476 3289 4589 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP A + B + C + D + E/5 = 42∴ C = 42, ∴ B = 40, ∴ D = 44∴ B x D = 40 x 44 = 1760
Number System The difference between a two-digit number and the number obtained by interchanging the digits is 36. What is the difference of the two digits of the number ? 2 1 4 3 2 1 4 3 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (10x + y) - (10y + x) = 36,9(x - y) = 36/9 = 4
Number System If 70% of an equal to 40% of b, then ratio between a and b is? None 4: 7 7: 11 7: 4 None 4: 7 7: 11 7: 4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 70 a = 40 ba: b = 4: 7