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? 36 33 34 35 36 33 34 35 ANSWER DOWNLOAD EXAMIANS APP
Number System 3251 + 587 + 369 - ? = 3007 1300 1375 1200 1250 1300 1375 1200 1250 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let 4207 - x = 3007 Then, x = 4207 - 3007 = 1200
Number System Sum of the digits number is 8 and their product is 12. Find the difference between the digits? None 4 2 6 None 4 2 6 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x + y = 8xy = 12(x – y)2 = (x + y)2 – 4xy (x – y)2 = 64 – 48 => (x – y) = 4
Number System Find the least value of 3x + 4y if x2y3 = 6. 6 10 3 7 6 10 3 7 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 10
Number System 7.8% of 12.5 + 2.5% of 161 = ? 12 2 5 9 12 2 5 9 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 7.8 x 12.5/100 + 2.5 x 161/100= 0.975 + 4.025= 5
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