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 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 ? 10160 20160 40160 30160 10160 20160 40160 30160 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP No. of words = l2 l4 l7 / l3 l2 = 20160
Number System The difference between a two-digit number and the number obtained by interchanging the digits is 36. What is the difference of the two digits of the number ? 1 3 2 4 1 3 2 4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (10x + y) - (10y + x) = 36,9(x - y) = 36/9 = 4
Number System 68375 + 72848 - ? = 34346 + 49569 59308 None of these 57308 58308 59308 None of these 57308 58308 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 68375 + 72848 - 34346 - 49569 = 141223 - 83915 = 57308
Number System √343 = ? 20 19 21 18 20 19 21 18 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = √343 = 18
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