Number System Two third of three- fifth of one fourth of a number is 24, what is 30% of that number? 42 90 69 72 42 90 69 72 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x * 2/3 * 3/5 * 1/4 = 24x = 240240 * 30/100 = 72
Number System What is the sum of all the numbers between 300 and 1000 which are divisible by 179? 2506 2527 2607 2517 2506 2527 2607 2517 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 358/179 ….. 895/179179(2 + 3 + 4 + 5) => 2506
Number System If x + y = 61 and xy = 888, What is the value of x²+ y² ? 1955 1945 1975 1965 1955 1945 1975 1965 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Because (x + y)² = x² + y² + 2xy∴ x² + y² = (x + y)² - 2xy∴ x² + y² = (61)² - 2 x 888= 3721 - 1776 = 1945
Number System 75% of 250 - ?% of 380 = 54.5 31 35 39 33 31 35 39 33 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 If HKUJ means FISH, what does UVCD mean ? STAM STAR STAB STAK STAM STAR STAB STAK ANSWER EXPLANATION DOWNLOAD EXAMIANS APP STAB
Number System Find the smallest number which should be multiplied with 520 to make it a perfect square. 30 None of these 55 120 30 None of these 55 120 ANSWER DOWNLOAD EXAMIANS APP
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