Question: If a ' b = 2a - 3b + ab. then 3 * 5 + 5 * 3 is equal to : (1) 22 (2)

If a ' b = 2a - 3b + ab. then 3 * 5 + 5 * 3 is equal to : (1) 22 (2) 24 (3) 26 (4) 28 ISSC COL Prelim Exam. 04.07.1999 (First Sitting) P If p x q =p+q+ , the value of 8 x 2 is : (1) 6 (2) 10 (3) 14 (4) 16 ISSC COL Prelim Exam. 04.07.1999 (Second Sitting) Two numbers x and y (x > y) are such that their sum is equal to three times their difference. 3xy Then value of 2(x2 - y?) will be: (1) (21 1 3 (4) co I t's (SSC CGL Prelim Exam. 04.07.1999 (Second Sitting) The value of 1 1+ x+1 x+2 X+3 is: (1) 1+ (2) x+4 WW X +4 x+4 13 (4)
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