Number System Three numbers are in ratio of 3: 4 :5. If the sum of first & third numbers is more than second number by 52, which will be largest number? 78 34 23 65 78 34 23 65 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 65
Number System What should come in the place of question mark (?) in the number series given below? 158 160 157 159 158 160 157 159 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 160
Number System Pick the wrong number from the given number series. 3,4,10,33,135,685,4116 33 685 135 10 33 685 135 10 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The correct number is 136.3 x 1 + 1 = 44 x 2 + 2 = 1010 x 3 + 3 = 3333 x 4 + 4 = 136136 x 5 + 5 = 685685 x 6 + 6 = 4116
Number System Find the number of factors of 300 excluding 1 and itself. 14 18 16 15 14 18 16 15 ANSWER DOWNLOAD EXAMIANS APP
Number System If x + y = 61 and xy = 888, What is the value of x²+ y² ? 1955 1975 1965 1945 1955 1975 1965 1945 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 65 x 288 ÷ 52 = 1.8 x ? 190 200 180 210 190 200 180 210 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 65x288/52x1.8 = 200
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