Number System What number should replace both the question marks (?) in the following question ? 83 84 85 82 83 84 85 82 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 84
Number System Sum of two numbers is 15. Two times of the first exceeds by 5 from the three times of the other. Then the numbers will be? 6, 9 10, 5 9, 6 7, 8 6, 9 10, 5 9, 6 7, 8 ANSWER DOWNLOAD EXAMIANS APP
Number System A number consists of two digits. If the digits interchange places and the new number is added to the original number, then the resulting number will be divisible by: 11 9 5 3 11 9 5 3 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the ten's digit be x and unit's digit be y. Then, number 10x + y.Number obtained by interchanging the digits = 10y + x.(10x + y) + (10y + x) = 11(x + y)which is divisible by 11.
Number System In how many different ways can the letters of the word CORPORATION be arranged ? None of these 1326400 2326400 3326400 None of these 1326400 2326400 3326400 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP CORPORATION = 11 letters 'O' comes thrice,'R' twice.∴ total no. of ways = 111/3121 = 3326400
Number System If the numerator of a fraction is increased by 200% and the denominator by 300%, the fraction thus obtained is 1/36. What is the original fractions ? 6/9 4/9 5/9 3/9 6/9 4/9 5/9 3/9 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the fractions be x/yx + 200% of x/y + 300% of y = 1/3= x + 2x/y + 3y = 1/3= 3x/4y = 1/3Hence x/y = 4/9
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