Number System The difference between two integers is 5. Their product is 500. Find the numbers. 20, 25 30, 25 21, 26 15, 20 20, 25 30, 25 21, 26 15, 20 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the integers be x and (x + 5). Then, x(x + 5) = 500 x2 + 5x - 500 = 0 (x + 25)(x - 20) = 0 x = 20So, the numbers are 20 and 25.
Number System What should come in place of the question mark (?) in the following number series ? 888 888 444 148 ? 7.4 37 33 29 35 37 33 29 35 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 888 ÷ 1 = 888888 ÷ 2 = 444444 ÷ 3 = 148148 ÷ 4 = 3737 ÷ 5 = 7.4
Number System Find the nearest to 25268 which is exactly divisible by 467? 25228 25218 25308 25208 25228 25218 25308 25208 ANSWER DOWNLOAD EXAMIANS APP
Number System If the of a two-digit number are interchanged, the number so obtained is greater than the original number by 18. If the sum of the two digits of the number is 14. What is the original number ? 64 66 62 68 64 66 62 68 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the no. be 10x + y.No. formed by the interchange of digits = 10y + xWe have y - x = 2 .........(i)y + x = 14 .........(ii)Solving (i) and (ii), we get x = 6, and y = 8∴ the no. is 68.
Number System (164 x 175) x ? = 258300 2 5 9 11 2 5 9 11 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 258300 / 164 x 175 = 9
Number System 384×12×2=? 7487 8465 9216 6123 7487 8465 9216 6123 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 9216
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