Number System How many times the keys of a typewriter have to be pressed in order to write first 400 counting numbers? 1200 1192 1082 1092 1200 1192 1082 1092 ANSWER DOWNLOAD EXAMIANS APP
Number System 56.21 +2.36+5.41 —21.4+1.5=? 64.08 54.08 44.08 34.08 64.08 54.08 44.08 34.08 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 44.08
Number System 1256+4813+765=? 6839 6834 6836 6831 6839 6834 6836 6831 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1256+4813+765= 6069+765=6834
Number System What is the sum of all the numbers between 300 and 1000 which are divisible by 179? 2517 2506 2607 2527 2517 2506 2607 2527 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 358/179 ….. 895/179179(2 + 3 + 4 + 5) => 2506
Number System What least number should be added to 8602 to make it a perfect square ? 36 41 51 47 36 41 51 47 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP So, (93)² = 8649So, the required number to be added to make a perfect square = 8649 - 8602 = 47
Number System One half of a two digit number exceeds its one third by 6. What is the sum of the digits of the number? 5 7 9 3 5 7 9 3 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x/2 – x/3 = 6=> x =63 + 6 = 9
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