Number System What should come in the place of question mark (?) in the number series given below? 157 158 160 159 157 158 160 159 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 160
Number System If (72)² is subtracted from the square of a number, the answer thus obtained is 4617. What is the number ? 95 103 92 99 95 103 92 99 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x² - (72)² = 467Therefore, x² = 4617 + 5184Therefore, x² = 9801 Therefore, x = 99
Number System If one-seventh of a number is 55 then 40% of that number = ? 171 163 154 147 171 163 154 147 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the no. be x , Therefore, x/7 = 55Therefore, x = 55 x 7 = 385Therefore, 49% of 385 = 154
Number System The sum of the squares of three numbers is 138, while the sum of their products taken two at a time is 131. Their sum is: None of these 20 40 30 None of these 20 40 30 ANSWER DOWNLOAD EXAMIANS APP
Number System Three seventh of a number is 12 more than 40% of that number. What will be the 60% of that number? 210 148 126 248 210 148 126 248 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3/7 x – 40/100 x = 12x = 35 * 1235 * 12 * 60/100 = 252/2 = 126
Number System The product of two successive numbers is 4556. Which of the following is the larger of the two numbers? 78 67 63 68 78 67 63 68 ANSWER DOWNLOAD EXAMIANS APP
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