Number System In how many different ways can be the letters of the word PENCIL be arranged among themselves ? 860 720 640 510 860 720 640 510 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Total six letters are there and hence the number of arrangements = 6! = 6 x 5 x 4 x 3 x 2 x 1 = 720
Number System ind the number, difference between number and its 3/5 is 50 124 120 125 123 124 120 125 123 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number = x,Then, x-(3/5)x = 50,=> (2/5)x = 50 => 2x = 50*5,=> x = 125
Number System 35%of ?=242 487 542 693 394 487 542 693 394 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 693
Number System Complete the series : 1, 2, 3, 5, 8, 13 .... 1 9 4 7 1 9 4 7 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1
Number System If the numberator of a fraction is increased by 50% and denominator by 20% the fraction become 9/15. What was the original fraction ? 3/5 12/25 13/25 6/7 3/5 12/25 13/25 6/7 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the fraction be x/yWe have 150x/120y = 9/15= x/y = 12/25
Number System If 70% of an equal to 40% of b, then ratio between a and b is? 7: 4 None 4: 7 7: 11 7: 4 None 4: 7 7: 11 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 70 a = 40 ba: b = 4: 7
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