Number System When 102 is reduced from a number, the number gets reduced by 88%. What is that number ? 550 850 650 750 550 850 650 750 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 850
Number System What number should come in the place of (?) in the following number series ? 1, 4, 9, 25, 49, ?, 169, 289, 361 121 225 11 321 121 225 11 321 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The series is (Prime No.)²So it is (11)² = 121
Number System What is the difference between the local value of 7 and 5 in the number 2574? 413 430 403 570 413 430 403 570 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 500 – 70 = 430
Number System On multiplying a number by 7, the product is a number each of whose digits is 3. The smallest such number is: 47619 47719 48619 47649 47619 47719 48619 47649 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP By hit and trail, we find that47619 * 7 = 333333.7) 333333 (47619 333333---------------- 0
Number System Which is the smallest fractions among the following ? 15/19 13/15 27/31 11/13 15/19 13/15 27/31 11/13 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 11/13 = 0.8461,13/15 = 0.8666,27/31 = 0.87,15/19 = 0.789
Number System In how many different ways can the letters of word 'BIOLOGY' be arranged ? 2678 2410 2367 2520 2678 2410 2367 2520 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP In BIOLOGY total 7 letters are there but O comes twice.∴ Number of arrangements = 7!/2! = 2520
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