Number System If 70% of an equal to 40% of b, then ratio between a and b is? 7: 11 4: 7 None 7: 4 7: 11 4: 7 None 7: 4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 70 a = 40 ba: b = 4: 7
Number System 728.038 x 54.978 - 72.016 x 85.250 = ? 53900 33900 23900 43900 53900 33900 23900 43900 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 728 x 55 - 72 x 85.25 = 40040 - 6138 = 339900
Number System The simplest form of 1.5 : 2.5 is : 5 : 7 17 : 19 13 : 11 3 : 5 5 : 7 17 : 19 13 : 11 3 : 5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3 : 5
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: 46 24 26 42 46 24 26 42 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 Sum of two consecutive even terms lacks by 98 from their product. Find the sum of these number 32 24 18 None 32 24 18 None ANSWER DOWNLOAD EXAMIANS APP
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