Number System 5358 * 51 = ? 273258 273348 273268 273358 273258 273348 273268 273358 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 5358 * 51 = 5358 * (50 + 1) = 5358 * 50 + 5358 * 1= 267900 + 5358 = 273258
Number System What is 846 times 323 ? 283298 273258 264258 293798 283298 273258 264258 293798 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 846 x 323 = 273258
Number System 20% of the total number of students in a school play football. How many students do not play football if the total number of students in the school is 7600 ? 6000 5976 6080 5800 6000 5976 6080 5800 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 20% of 7600 = 1520Therefore, students who do not play football = 7600 - 1520 = 6080
Number System If (182)² is added to the square of a number, the answer so obtained is 47765. What is the number ? 121 101 131 111 121 101 131 111 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the no. be xTherefore x² + (182)² = 47765Therefore x² = 47765 - (182)2 = 47765 - 33124Therefore x² = 14641, Therefore x = 121
Number System A certain number successively divided by 2, 5 and 7 leaves remainders 1, 2 and 3 respectively. When the same number is divided by 70, what is the remainder? 34 35 36 33 34 35 36 33 ANSWER DOWNLOAD EXAMIANS APP
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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