Number System When 102 is reduced from a number, the number gets reduced by 88%. What is that number ? 850 550 650 750 850 550 650 750 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 850
Number System (4.6 x 2.8 x 5.5) - (3.2 x 4.5 x 2.8) = ? 27.54 29.81 28.56 30.52 27.54 29.81 28.56 30.52 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = (4.6 x 2.8 x 5.5) - (3.2 x 4.5 x 2.8) = 70.84 - 40.32 = 30.52
Number System In a two-digit number, if it is known that its unit's digit exceeds its ten's digit by 2 and that the product of the given number and the sum of its digits is equal to 144, then the number is: 24 42 26 46 24 42 26 46 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the ten's digit be x. Then, unit's digit = x + 2. Number = 10x + (x + 2) = 11x + 2 Sum of digits = x + (x + 2) = 2x + 2 (11x + 2)(2x + 2) = 144 2x2 + 26x - 140 = 0 (x - 2)(11x + 35) = 0 x = 2Hence, required number = 11x + 2 = 24.
Number System The simplest form of 1.5 : 2.5 is : 3 : 5 5 : 7 13 : 11 17 : 19 3 : 5 5 : 7 13 : 11 17 : 19 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3 : 5
Number System The difference between 78% of a number and 59% of the same number is 323. What is 62% of that number ? Rs. 986 Rs. 926 Rs. 945 Rs. 1054 Rs. 986 Rs. 926 Rs. 945 Rs. 1054 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.78% of x - 59% of x = 323= 78x - 59x/100 = 323= 19x/100 = 323∴ x = 323 x 100/19 = 1700= 62% of 1700 = 1700 x 62/100 = 1054
Number System 1051.64 - 159.42 - 96.84 + 162.37 - 940.26 + 504 = ? 501.49 491.49 521.49 511.49 501.49 491.49 521.49 511.49 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 1718.01 - 1196.52 = 521.49
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