Number System Which one of the following is the sum of the numbers 1, 3, 5, 7, 9…. up to nth number? N(N + 1) N2 + 1 N(N + 1)/2 N2 N(N + 1) N2 + 1 N(N + 1)/2 N2 ANSWER DOWNLOAD EXAMIANS APP
Number System 56.21 +2.36+5.41 —21.4+1.5=? 34.08 44.08 54.08 64.08 34.08 44.08 54.08 64.08 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 44.08
Number System 7.98 x 3.75 + 1.28 x 15.5 = ? 48.765 47.765 46.765 49.765 48.765 47.765 46.765 49.765 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 29.925 + 19.84 = 49.765
Number System A certain number when divided by 39 leaves a remainder 20, what is the remainder when the same number is divided by 13? 0 5 7 11 0 5 7 11 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 39 + 20 = 59/13 = 7 (Remainder)
Number System Twenty times a positive integer is less than its square by 96. What is the integer? 20 24 Cannot be determined 30 20 24 Cannot be determined 30 ANSWER DOWNLOAD EXAMIANS APP
Number System If the fraction 8/6, 7/5, 18/13, 9/5 and 7/11 are arranged in descending order of their values, which one will be the second ? 7/5 2/7 3/4 1/9 7/5 2/7 3/4 1/9 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 8/6 = 1. 333, 7/5 = 1.4, 18/13 = 1.3849/5 = 1.8 and 7/11 = 0.636Therefore, Descending order is 9/5 > 7/5 > 18/13 > 8/6 > 7/11Therefore Second fraction is 7/5
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