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 3289 2476 4589 1760 3289 2476 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 If HKUJ means FISH, what does UVCD mean ? STAK STAM STAB STAR STAK STAM STAB STAR ANSWER EXPLANATION DOWNLOAD EXAMIANS APP STAB
Number System 384×12×2=? 8465 9216 6123 7487 8465 9216 6123 7487 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 9216
Number System 3251 + 587 + 369 - ? = 3007 1375 1200 1250 1300 1375 1200 1250 1300 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let 4207 - x = 3007 Then, x = 4207 - 3007 = 1200
Number System The sum of five consecutive numbers is 190. What is the sum of the largest and the smallest number ? 75 73 74 76 75 73 74 76 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x + x + 1 + x + 2 + x + 3 + x + 4= 190= 5x + 10 = 190= 5x = 190 - 10 = 180= x = 180/5 = 36The largest number = 36 + 4 = 40∴ Required sum = 36 + 40 = 76
Number System How many numbers up to 100 and 300 are divisible by 11? 18 21 20 22 18 21 20 22 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (300 – 100)/11 = 200/11 = 18 2/1118 Numbers
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