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 5358 * 51 = ? 273358 273268 273348 273258 273358 273268 273348 273258 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 5358 * 51 = 5358 * (50 + 1) = 5358 * 50 + 5358 * 1= 267900 + 5358 = 273258
Number System The sum of two numbers is 25 and their difference is 13. Find their product. 315 114 104 325 315 114 104 325 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be x and y. Then x + y = 25 and x - y = 13.x = 19; y = 6xy = 19 * 6 = 114
Number System ind the number, difference between number and its 3/5 is 50 120 123 124 125 120 123 124 125 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number = x,Then, x-(3/5)x = 50,=> (2/5)x = 50 => 2x = 50*5,=> x = 125
Number System 384×12×2=? 9216 6123 7487 8465 9216 6123 7487 8465 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 9216
Number System Sum of square of first number and cube of second number together is 568. Also square of the second number is 15 less than square of 8. What is the value of three-fifth of the first number ? 8 7 9 6 8 7 9 6 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the first number be x and the second number be y.∴ y² = 82 - 15 = 64 - 15 = 49∴ y = 7∴ x² + 73 = 568= x² + 343 = 568= x² + 568 - 343 = 225∴ x = √225 = 15∴ 15 x 3/5 = 9
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