Number System If HKUJ means FISH, what does UVCD mean ? STAR STAB STAM STAK STAR STAB STAM STAK ANSWER EXPLANATION DOWNLOAD EXAMIANS APP STAB
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 ? 62 66 64 68 62 66 64 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 A canteen requires 17 dozen of eggs per week. How many eggs will it require from January 1 to February 11 ? 987 820 1224 525 987 820 1224 525 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Number of days from Jan 1 to Feb 11th= 31 + 11 = 42 days = 6 weeks∴ Total eggs =17 x 12 x 6 = 1224
Number System 2536+4851—?=3450+313 5243 3624 4567 6784 5243 3624 4567 6784 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3624
Number System If x + y = 61 and xy = 888, What is the value of x²+ y² ? 1955 1965 1975 1945 1955 1965 1975 1945 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Because (x + y)² = x² + y² + 2xy∴ x² + y² = (x + y)² - 2xy∴ x² + y² = (61)² - 2 x 888= 3721 - 1776 = 1945