Number System On dividing number by 5, we get 3 as remainder. What will be the remainder when the square of this number is divided by 5? 0 1 2 4 0 1 2 4 ANSWER DOWNLOAD EXAMIANS APP
Number System A certain number of two digits is three times the sum of its digits. If 45 be added to it, the digits are reversed. The number is: 30 24 22 27 30 24 22 27 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 27
Number System One half of a two digit number exceeds its one third by 6. What is the sum of the digits of the number? 9 3 5 7 9 3 5 7 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x/2 – x/3 = 6=> x =63 + 6 = 9
Number System The difference between a positive proper fraction and its reciprocal is 9/20. The fraction is: 5/4 3/5 3/10 4/5 5/4 3/5 3/10 4/5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1/x - x = 9/20 20x2 + 9x - 20 = 0 20x2 + 25x - 16x - 20 = 0 5x(4x + 5) -4(4x + 5) = 0(4x + 5)(5x - 4) = 0x = 4/5
Number System What is 846 times 323 ? 293798 273258 264258 283298 293798 273258 264258 283298 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 846 x 323 = 273258
Number System The number of prime factors of (6)10×(7)17×(55)27 101 41 91 61 101 41 91 61 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 91
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