Number System Pick the wrong number from the given number series. 3,4,10,33,135,685,4116 685 135 33 10 685 135 33 10 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The correct number is 136.3 x 1 + 1 = 44 x 2 + 2 = 1010 x 3 + 3 = 3333 x 4 + 4 = 136136 x 5 + 5 = 685685 x 6 + 6 = 4116
Number System The sum of three consecutive multiples of 3 is 72. What is the largest number? 24 36 27 21 24 36 27 21 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be 3x, 3x + 3 and 3x + 6.Then,3x + (3x + 3) + (3x + 6) = 729x = 63x = 7Largest number = 3x + 6 = 27.
Number System What number should replace both the question marks (?) in the following question ? 82 83 85 84 82 83 85 84 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 84
Number System What is the sum of all the composite numbers up to 20? 130 128 131 132 130 128 131 132 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 4 + 6 + 8 + 9 + 10 + 12 + 14 + 15 + 16 + 18 = 132
Number System The difference of two numbers is 1365. On dividing the larger number by the smaller, we get 6 as quotient and 15 as remainder. What is the smaller number? 360 270 295 240 360 270 295 240 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the smallest number be x.Then larger number = (x + 1365)x + 1365 = 6x + 15= 5x = 1350 x = 270Smaller number = 270.
Number System Which is the smallest fractions among the following ? 13/15 15/19 27/31 11/13 13/15 15/19 27/31 11/13 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 11/13 = 0.8461,13/15 = 0.8666,27/31 = 0.87,15/19 = 0.789
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