6. The LCM of 2 numbers is 39780 and their ratio is 13 : 15. Then the numbers are (a) 2652, 3060 (b) 273, 315 (c) 585, 675 (d) 2562, 6030 (e) none of these 7. Find a number such that it exceeds 18 by three times the number by which it is less than 86? (a) 32 (b) 69 (c) 54 (d) 67 (e) none of these 8. If the operation ^ is defined by the equation x ^ y = 2x + y, what is the value of a in 2 ^ a = a ^3 (a) 0 (b) 1 (c) -1 (d) 4 9. What is the greatest possible integer of x such that 2X is a factor of 1210? (a) 6 (b) 12 (c) 20 (d) 24 10. If 3 n+3 – 3n+2 = 6, then n is equal to (a) 1 (b) 2 (c) -1 (d) -2
Posted on: Fri, 09 May 2014 15:21:15 +0000
Trending Topics
Recently Viewed Topics
© 2015