Number System What will be the next number in the following number series ? 162 182 177 191 162 182 177 191 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1² + 1, 3² + 3, 5² + 5, 7² + 7
Number System Which is the smallest fractions among the following ? 27/31 13/15 11/13 15/19 27/31 13/15 11/13 15/19 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 11/13 = 0.8461,13/15 = 0.8666,27/31 = 0.87,15/19 = 0.789
Number System The sum of four consecutive even numbers is 36. Find the sum of the squares of these numbers? 344 388 296 252 344 388 296 252 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the four numbers be x, x + 2, x + 4 and x + 6.=> x + x + 2 + x + 4 + x + 6 = 36=> 4x + 12 = 36 => x = 6The numbers are 6, 8, 10 and 12.Sum of their squares = 62 + 82 + 102 + 122 = 36 + 64 + 100 + 144 = 344.
Number System Find the least number when successively divided by 2, 3 and 7 leaves remainders 1, 2 and 3 respectively? 75 61 65 67 75 61 65 67 ANSWER DOWNLOAD EXAMIANS APP
Number System 217 * 217 + 183 * 183 = ? 80578 80698 79698 81268 80578 80698 79698 81268 ANSWER DOWNLOAD EXAMIANS APP
Number System The sum of the two numbers is 12 and their product is 35. What is the sum of the reciprocals of these numbers? 7/32 35/8 12/35 1/35 7/32 35/8 12/35 1/35 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be a and b. Then,a + b = 12 and ab = 35.(a + b)/ab = 12/35= (1/b + 1/a) = 12/35Sum of reciprocals of given numbers = 12/35.
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