Number System Ratio between two numbers is 3: 4 and their sum is 420. Find the smaller number? 140 180 240 160 140 180 240 160 ANSWER DOWNLOAD EXAMIANS APP
Number System Three numbers which are co-prime to one another are such that the product of the first two 551 and that of the last two is 1073. The sum of the three numbers is 110 74 85 93 110 74 85 93 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 85
Number System If the difference between a number and its 2/5 is 240, find the number. 440 360 400 480 440 360 400 480 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the no. be x Therefore x - 2x/5 = 240, Therefore, 3x/5 = 240Therefore, x = 240x5/3 = 400
Number System If the sum of four consecutive numbers is 370, which the following is the third lowest number among them 89 90 91 92 89 90 91 92 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the four consecutive numbers be x, (x + 1), (x + 2), (x + 3) thenx + (x + 1) + (x + 2) + (x + 3) = 370= 4x + 6 = 370∴ x = 364/4 = 91∴ third lowest number among them = x + 1= 91 + 1 = 92
Number System What least number shall be added to 4700 to make it a perfect square ? 71 91 81 61 71 91 81 61 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (69)² = 4761 and (68)² = 4624Clerly 4624 < 4700 < 4761So 61 should be added to make 4700 a perfect square.
Number System If A = 1, B = 3, C = 5 and so on, what do the numbers 3, 9, 7 stand for CAR CAT BED BAT CAR CAT BED BAT ANSWER EXPLANATION DOWNLOAD EXAMIANS APP BED
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