Number System Of the three numbers, second is twice the first and is also thrice the third. If the average of the three numbers is 44, the largest number is 56 44 38 72 56 44 38 72 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 72
Number System The sum of the digits of a two digit number is 12. If the new number formed by reversing the digits is greater than the original number by 54, then what will be the original number? 69 39 49 59 69 39 49 59 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 39
Number System 50% of 8/15 of 9/4 of 5/3 of 333 = ? 444 333 555 666 444 333 555 666 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 50% of [8x9x5/15x4x3 x 333]= 50% of 666= 333
Number System The difference between a positive proper fraction and its reciprocal is 9/20. The fraction is: 3/10 4/5 3/5 5/4 3/10 4/5 3/5 5/4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1/x - x = 9/20 20x2 + 9x - 20 = 0 20x2 + 25x - 16x - 20 = 0 5x(4x + 5) -4(4x + 5) = 0(4x + 5)(5x - 4) = 0x = 4/5
Number System In how many different ways can the letters of the word 'LEASE' be arranged ? 80 None of these 60 40 80 None of these 60 40 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The world LEASE consists of 5 letters in which E comes twice ∴ 51/21 = 5x4x3x2x1/2x1 = 60
Number System In a fraction, twice the numerator is two more than the denominator. If 3 is added to the numerator and the denominator each, then the resultant fraction will be 2/3 .What was the original fraction 19/12 11/12 17/12 7/12 19/12 11/12 17/12 7/12 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 7/12
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