Number System In how many different ways can the letters of word 'BIOLOGY' be arranged ? 2678 2367 2410 2520 2678 2367 2410 2520 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP In BIOLOGY total 7 letters are there but O comes twice.∴ Number of arrangements = 7!/2! = 2520
Number System If 35% of a number is 899.5, what is 68% of that number ? 1747.6 1847.6 1547.6 2247.6 1747.6 1847.6 1547.6 2247.6 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Suppose the number is x.Then 35% of x = 899.5∴ 68% of x = 68/35 x 899.5 = 1747.6
Number System 5525 ÷ 17 = √? 112225 93025 105625 99225 112225 93025 105625 99225 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP √? = 5525/17 = 325∴ ? = (325)² = 105625
Number System 3251 + 587 + 369 - ? = 3007 1375 1250 1200 1300 1375 1250 1200 1300 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let 4207 - x = 3007 Then, x = 4207 - 3007 = 1200
Number System The difference between 35% of a number and 18% of the same number is 93.5 then what is the 40% of that number ? 225 245 232 220 225 245 232 220 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Diff = (35 - 18)% of x = 93.517x/100 = 93.5Therefore, x = 550Therefore, 40% of 550 = 220
Number System How many figures are required to number the pages the pages of a book containing 365 pages? 967 987 977 897 967 987 977 897 ANSWER DOWNLOAD EXAMIANS APP
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