Number System Which choice provides the answer : If 2 + 3 = 10, 6 + 5 = 66, 7 + 2 = 63, 9 + 7 = 144 then, 8 + 4 = ? 88 102 96 114 88 102 96 114 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 96
Number System What should come in place of (?) in the following series ? 10, 19, 30, 43, 58, ? 77 76 75 78 77 76 75 78 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The series is: +9, +11, +13, +15, +17
Number System 56.21 +2.36+5.41 —21.4+1.5=? 44.08 34.08 64.08 54.08 44.08 34.08 64.08 54.08 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 44.08
Number System Find the number, when 15 is subtracted from 7 times the number, the result is 10 more than twice of the number 5 7.5 15 4 5 7.5 15 4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.7x -15 = 2x + 10 => 5x = 25 => x = 5
Number System In a pair of fractions, fraction A is twice the fraction B and the product of two fractions is 2/25. What is the value of fraction A? Data inadequate 1/25 1/5 2/5 Data inadequate 1/25 1/5 2/5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP A = 2B => B = 1/2 A, so, AB = 2/25 1/2 A2 = 2/25A2 = 4/25 A = 2/5
Number System What is the least number to be subtracted from 696 to make it a perfect square? 1 16 20 71 1 16 20 71 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The numbers less than 696 and are squares of certain numbers are 676, 625.The least number that should be subtracted from 696 to make it perfect square = 696 - 676 = 20.
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