Number System In how many different ways can the letters of word 'BIOLOGY' be arranged ? 2367 2520 2678 2410 2367 2520 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 Find the greatest number which leaves the same remainder when it divides 25, 57 and 105. 18 8 16 12 18 8 16 12 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 105 - 57 = 4857 - 25 = 32105 - 25 = 80The H.C.F of 32, 48 and 80 is 16.
Number System Complete the series : 81, 69, 58, 48, 39 ........ 30 29 28 31 30 29 28 31 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 31
Number System How many words can be made using the letters of the word "BHAG WADGITA" if all the vowels come together and all the consonants come together ? 20160 40160 10160 30160 20160 40160 10160 30160 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP No. of words = l2 l4 l7 / l3 l2 = 20160
Number System If a number is subtracted from its square we get 272. Find the number? 14 24 17 22 14 24 17 22 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x2 – x = 272 => x =17
Number System Write the next number in the series : 14, 16, 13, 17, 12, 18, 11 .... 1 19 15 7 1 19 15 7 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 19
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