Number System 4.78% of 1255 + 3.24% of 440=0.5% of ? 14849 12849 13849 11849 14849 12849 13849 11849 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 0.5 x ?/100 = 4.78 x 1255/100 + 3.24 x 440/100= 59.989 + 14.256∴ ? = 74.245 x 100/0.5 = 14849
Number System 3√68921 = ? 31 21 51 41 31 21 51 41 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 3√68921= 3√41 x 41 x 41= 41
Number System Complete the series : 1, 2, 3, 5, 8, 13 .... 4 7 9 1 4 7 9 1 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1
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 ? 5800 5976 6000 6080 5800 5976 6000 6080 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 20% of 7600 = 1520Therefore, students who do not play football = 7600 - 1520 = 6080
Number System The product of two natural numbers is 17. Then, the sum of the reciprocals of their squares is: 289/290 290/289 1/289 289 289/290 290/289 1/289 289 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be a and b. Then,ab = 17, a = 1 and b = 17So, 1/a2 + 1/b2 = (a2 + b2)/a2 b2 = (12 + 172)/(1 * 17)2 = 290/289
Number System 1256+4813+765=? 6834 6839 6831 6836 6834 6839 6831 6836 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1256+4813+765= 6069+765=6834
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