Number System The number of prime factors of (6)10×(7)17×(55)27 41 101 91 61 41 101 91 61 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 91
Number System 93296 - 45874 + 20382 - 56817 = ? 109877 109857 109887 109867 109877 109857 109887 109867 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 113678 - 102691 = 109887
Number System The difference between 68% of a number and 35% of the same number is 1216. What is 28% of the number ? 1043.75 1037.75 1031.75 1027.75 1043.75 1037.75 1031.75 1027.75 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the no. be xTherefore 68x / 100 - 35x / 100 = 1216 Therefore x = 1216 x 100 / 33Therefore 28% of x = 28x / 100 = 1216 x 100 / 33 x 28 / 100= 1216 x 100 x 28 / 33 x 1/100 = 1031.75
Number System What is the difference between the local value of 7 and 5 in the number 2574? 570 413 430 403 570 413 430 403 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 500 – 70 = 430
Number System A bag contains eighteen 25-paise coins, seventeen 50-paise coins, twentytwo one-rupee coins, nine 2-rupee coins and three 5-rupee coins. What is the total amount in the bag (Ans in rupees) ? Rs. 68 Rs. 79 Rs. 62 Rs. 74 Rs. 68 Rs. 79 Rs. 62 Rs. 74 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Total = 18/7 + 17/2 + 22 + 9 x 2 + 3 x 5 = 4.5 + 8.5 + 22 + 18 + 15 = Rs 68
Number System Which one of the following represents the sum of the first n even numbers? N(N + 1) N2 N2+ 1 N(N – 1) N(N + 1) N2 N2+ 1 N(N – 1) ANSWER EXPLANATION DOWNLOAD EXAMIANS APP N (N + 1)
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