Number System ?2704 x ?2209=? 1444 3444 2444 4444 1444 3444 2444 4444 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2444
Number System The sum and the product of two numbers are 25 and 144 respectively, the difference of the number is? 11 5 7 3 11 5 7 3 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x + y = 25xy = 144(x- y)2 = (x + y)2 – 4xy(x- y)2 = 625 – 576 => (x – y) = 7
Number System (2560 x 1.4) +(7400 x 0.6) =? 8024 6543 9160 7234 8024 6543 9160 7234 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 8024
Number System Simplify the 121 * 175 + 363 * 275 316600 328100 None of these 363000 316600 328100 None of these 363000 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 121 * 175 + 363 * 275 => 121 * 175 + 121 * 3 * 275121 * 175 + 121 * 825= 121 * (175 + 825) = 121000
Number System One-eighth of a number is 76. What will be 54% of the number ? 328.32 321.32 332.32 318.32 328.32 321.32 332.32 318.32 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the no. be x Therefore, 1/8 of x = 76Therefore, x = 60854% of 608 = 608 x 54/100 = 328.32
Number System Sum of the digits number is 8 and their product is 12. Find the difference between the digits? 6 4 2 None 6 4 2 None ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x + y = 8xy = 12(x – y)2 = (x + y)2 – 4xy (x – y)2 = 64 – 48 => (x – y) = 4
EXAMIANS