Number System 75% of 250 - ?% of 380 = 54.5 33 31 35 39 33 31 35 39 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 250 x 75/100 - 380 x ?/100 = 54.5= 250 x 75 - 380 x ?= 54.5 x 100= 18750 - 380 x ?= 5450= 380 x? = 18750 - 5450= 13300= ? = 13300/380 = 35
Number System Find the smallest number which should be multiplied with 520 to make it a perfect square. 30 55 120 None of these 30 55 120 None of these ANSWER DOWNLOAD EXAMIANS APP
Number System What is the sum of all the numbers between 300 and 1000 which are divisible by 179? 2506 2527 2517 2607 2506 2527 2517 2607 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 358/179 ….. 895/179179(2 + 3 + 4 + 5) => 2506
Number System If 5/7 of a number is 145, what is 180% of that number ? 355.4 365.4 375.4 345.4 355.4 365.4 375.4 345.4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ x x 5/7 = 145∴ x = 145 x 7/5 = 203Now, 203 x 180/100 = 365.4
Number System If (182)² is added to the square of a number, the answer so obtained is 47765. What is the number ? 131 111 121 101 131 111 121 101 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the no. be xTherefore x² + (182)² = 47765Therefore x² = 47765 - (182)2 = 47765 - 33124Therefore x² = 14641, Therefore x = 121
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