Number System In how many different ways can the letters of word 'BIOLOGY' be arranged ? 2678 2520 2410 2367 2678 2520 2410 2367 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP In BIOLOGY total 7 letters are there but O comes twice.∴ Number of arrangements = 7!/2! = 2520
Number System √343 = ? 19 20 18 21 19 20 18 21 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = √343 = 18
Number System If the difference between a number and its three-fourth is 18, find the number. 57 68 72 61 57 68 72 61 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.According to the question,x - 3x/4 = 18= x/4 = 18= x = 4 x 18 = 72
Number System A number exceeds by 25 from its 3/8 part. Then the number is? 39 35 32 40 39 35 32 40 ANSWER DOWNLOAD EXAMIANS APP
Number System 35 + 15 * 1.5 = ? 57.5 51.5 5.25 75 57.5 51.5 5.25 75 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given Exp. = 35 + 15 * 3/2 = 35 + 45/2 = 35 + 22.5 = 57.5
Number System Two third of three- fifth of one fourth of a number is 24, what is 30% of that number? 69 90 42 72 69 90 42 72 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x * 2/3 * 3/5 * 1/4 = 24x = 240240 * 30/100 = 72
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