Number System What is the sum of all the composite numbers up to 20? 128 130 132 131 128 130 132 131 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 4 + 6 + 8 + 9 + 10 + 12 + 14 + 15 + 16 + 18 = 132
Number System 3251 + 587 + 369 - ? = 3007 1300 1375 1250 1200 1300 1375 1250 1200 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let 4207 - x = 3007 Then, x = 4207 - 3007 = 1200
Number System How many times the keys of a typewriter have to be pressed in order to write first 400 counting numbers? 1200 1192 1092 1082 1200 1192 1092 1082 ANSWER DOWNLOAD EXAMIANS APP
Number System Three times the first of three consecutive odd integers is 3 more than twice the third. The third integer is: 13 15 11 9 13 15 11 9 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the three integers be x, x + 2 and x+ 4.Then,3x = 2(x + 4) + 3x = 11Third integer = x + 4 = 15.
Number System 1827÷ 36 x ?=162.4 3.2 1.9 2.6 4.3 3.2 1.9 2.6 4.3 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3.2
Number System 93296 - 45874 + 20382 - 56817 = ? 109887 109877 109867 109857 109887 109877 109867 109857 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 113678 - 102691 = 109887
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