Number System √207.36 = ? 16.7 15.7 12.3 14.4 16.7 15.7 12.3 14.4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP √207.36 = √20736/√100 = 144/10 = 14.4
Number System When 102 is reduced from a number, the number gets reduced by 88%. What is that number ? 850 650 550 750 850 650 550 750 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 850
Number System The sum of a number and its reciprocal is one-eighth of 34. What is the product of the number and its square root? 8 27 32 None of these 8 27 32 None of these ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x. Then,x + 1/x = 34/8 8x2 - 34x + 8 = 0 4x2 - 17x + 4 = 0 (4x - 1)(x - 4) = 0 x = 4required number = 4 * √4 = 4 * 2 = 8.
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 ? 220 245 232 225 220 245 232 225 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Diff = (35 - 18)% of x = 93.517x/100 = 93.5Therefore, x = 550Therefore, 40% of 550 = 220
Number System A number when, 28 subtracted from it reduces to its one third. What is the value of 50% of that number? 21 84 24 42 21 84 24 42 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2/3 x = 28 => x = 4242 * 1/2 = 21
Number System In how many different ways can the letters of the word 'LEASE' be arranged ? 60 40 None of these 80 60 40 None of these 80 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The world LEASE consists of 5 letters in which E comes twice ∴ 51/21 = 5x4x3x2x1/2x1 = 60
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