Number System If (47)² is added to the square of a number the answer thus obtained is 2290. What is the number ? 10 9 8 7 10 9 8 7 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the no. be x Therefore, x² + (47)² = 2290Therefore, x² = 2290 - 2209 = 81Therefore, x = 9
Number System 4500 * ? = 3375 1/4 2/5 3/4 3/5 1/4 2/5 3/4 3/5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 4500 * x = 3375= x = 3375/4500 = 3/4
Number System What will be the next number in the following number series ? 191 177 162 182 191 177 162 182 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1² + 1, 3² + 3, 5² + 5, 7² + 7
Number System The sum of the two digits of a two-digit number is 15 and the difference between the two digits of the two digit number is 3. What is the product of the two digits of the two digit number ? 14 None of these 54 36 14 None of these 54 36 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be 10 x + yWhere x > yAccording to the question,x + y = 15 and x - y = 3Solving both the equations,x = 9, y = 6∴ x x y = 9 x 6 = 54
Number System Supply the missing figure : 1, 4, 9, 16, 25 .... 49 36 16 42 23 36 16 42 23 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 36
Number System √2304 x √? = 2832 3481 3381 3681 3581 3481 3381 3681 3581 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP √2304 x √? = 2832= 48 x √? = 2832= √? = 2832/48 = 59∴? = 59 x 59 = 3481
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