Number System The difference between 72% of a number and 49% of the same number is 575. What is 9% of that number ? 275 225 245 295 275 225 245 295 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the no. be x.Therefore, 72% of x - 49% of x = 575Therefore, (72 - 49)% of x = 575Therefore, 9% of x = 575/23 x 9 = 225
Number System Which one of the following is the sum of the numbers 1, 3, 5, 7, 9…. up to nth number? N2 N(N + 1) N2 + 1 N(N + 1)/2 N2 N(N + 1) N2 + 1 N(N + 1)/2 ANSWER DOWNLOAD EXAMIANS APP
Number System 7432 ÷ 32 x ? = 2787 78 12 21 41 78 12 21 41 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 7432/32 x ? = 2787= ? = 2787 x 32/7432 = 12
Number System 3251 + 587 + 369 - ? = 3007 1375 1300 1250 1200 1375 1300 1250 1200 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let 4207 - x = 3007 Then, x = 4207 - 3007 = 1200
Number System 2/11 of 3/7 of 8/13 of 12012 = ? 576 241 321 449 576 241 321 449 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 2 x 3 x 8 x 12012/11 x 7 x 13 = 576
Number System A number consists of 3 digit whose sum is 10. The middle digit is equal to the sum of the other two and the number will be increased by 99 if its digits are reversed. The number is: 370 352 253 145 370 352 253 145 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the middle digit be x. Then, 2x = 10 or x = 5.So, the number is either 253 or 352. Since the number increases on reversing the digits, so the hundred's digit is smaller than the unit's digit. Hence, required number = 253.
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