Number System In how many different ways can the letters of word 'BIOLOGY' be arranged ? 2520 2367 2678 2410 2520 2367 2678 2410 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP In BIOLOGY total 7 letters are there but O comes twice.∴ Number of arrangements = 7!/2! = 2520
Number System 1256+4813+765=? 6839 6834 6831 6836 6839 6834 6831 6836 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1256+4813+765= 6069+765=6834
Number System How many numbers up to 100 are divisible by 7? 14 100 107 93 14 100 107 93 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 100/7 = 14 2/7 => 14 Numbers
Number System Sum of two numbers is 15. Two times of the first exceeds by 5 from the three times of the other. Then the numbers will be? 9, 6 6, 9 10, 5 7, 8 9, 6 6, 9 10, 5 7, 8 ANSWER DOWNLOAD EXAMIANS APP
Number System The sum of two numbers is 165 and the difference between them is 9. What is the average of these two numbers ? 82.5 84.5 85.5 83.5 82.5 84.5 85.5 83.5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x + y = 165x - y = 92x = 174 ∴ x = 87 and y = 78∴ x + y/2 = 165/2 = 82.5
Number System Find the least number which when divided by 35 and 11 leaves a remainder of 1 in each case. 384 386 391 388 384 386 391 388 ANSWER DOWNLOAD EXAMIANS APP
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