Number System ?125÷5x ?=6265 124 1452 153 1253 124 1452 153 1253 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1253
Number System Find the least number when successively divided by 2, 3 and 7 leaves remainders 1, 2 and 3 respectively? 65 61 75 67 65 61 75 67 ANSWER DOWNLOAD EXAMIANS APP
Number System Three numbers are in ratio of 3: 4 :5. If the sum of first & third numbers is more than second number by 52, which will be largest number? 78 34 23 65 78 34 23 65 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 65
Number System Complete the series : 81, 69, 58, 48, 39 ........ 31 29 30 28 31 29 30 28 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 31
Number System If the difference between a number and its three fifths is 62, what is the number ? 175 165 145 155 175 165 145 155 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ x - 3x/5 = 62or x = 62 x 5/2 = 155
Number System The difference between a positive proper fraction and its reciprocal is 9/20. The fraction is: 3/5 4/5 3/10 5/4 3/5 4/5 3/10 5/4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1/x - x = 9/20 20x2 + 9x - 20 = 0 20x2 + 25x - 16x - 20 = 0 5x(4x + 5) -4(4x + 5) = 0(4x + 5)(5x - 4) = 0x = 4/5
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