Number System What is the sum of the local values of the digits 2, 3, 4, 5 in the number 2345? 2345 2105 2435 5243 2345 2105 2435 5243 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2000 + 300 + 40 + 5 = 2345
Number System If 70% of an equal to 40% of b, then ratio between a and b is? 7: 11 7: 4 None 4: 7 7: 11 7: 4 None 4: 7 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 70 a = 40 ba: b = 4: 7
Number System What should come in place of the question mark (?) in the given number series ? 888, 888, 444, 148, ?, 7.4 36 39 37 38 36 39 37 38 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let x be the missing number.Then888/888 = 1,888/444 = 2,444/148 = 3,148/x = 4= x = 148/4 = 37 and 37/7.4 = 5
Number System Complete the series : 1, 8, 27, 64, 125, 216 ..... 373 353 363 343 373 353 363 343 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 343
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: 26 42 46 24 26 42 46 24 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 population of a town increases by 15% in the first year and decreases by 25% in the second year. If its current population is 168480 then what will be its population after two years ? 145214 145314 145714 145914 145214 145314 145714 145914 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Population of the town= 168480 x 115/100 x 75/100= 145314
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