Number System What should come in the place of question mark (?) in the number series given below? 159 157 158 160 159 157 158 160 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 160
Number System ind the number, difference between number and its 3/5 is 50 125 123 124 120 125 123 124 120 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 Thrice the square of a natural number decreased by 4 times the number is equal to 50 more than the number. The number is: 10 5 6 4 10 5 6 4 ANSWER DOWNLOAD EXAMIANS APP
Number System 217 * 217 + 183 * 183 = ? 80578 81268 79698 80698 80578 81268 79698 80698 ANSWER DOWNLOAD EXAMIANS APP
Number System Sum of the digits number is 8 and their product is 12. Find the difference between the digits? None 2 6 4 None 2 6 4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x + y = 8xy = 12(x – y)2 = (x + y)2 – 4xy (x – y)2 = 64 – 48 => (x – y) = 4
Number System Simplify the 121 * 175 + 363 * 275 363000 None of these 316600 328100 363000 None of these 316600 328100 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 121 * 175 + 363 * 275 => 121 * 175 + 121 * 3 * 275121 * 175 + 121 * 825= 121 * (175 + 825) = 121000
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