11. A) 125 B) 215 C) 251 D) 512 View Answer Report DiscussAnswer: Option AExplanation:The numbers obtained by squaring the numbers at the bottom are combined together physically to get the number in the upper part
12. A) 2 B) 6 C) 8 D) 64 View Answer Report DiscussAnswer: Option CExplanation: We have : 32 + 42 = 52; 52 + (12)2 = (13)2 Let the missing number be x. Then, x2 + (15)2 = (17)2 x2 = 64 .'. x = 8
13. A) 5 B) 9 C) 11 D) 13 View Answer Report DiscussAnswer: Option BExplanation:Let A = 1, B = 2, C = 3, ....., W = 23, X= 24,Y = 25, Z = 26. Then, W - T = 23 - 20 = 3; T - J = 20 - 10 = 10; S - D = 19 - 4 = 15. So, missing number = P - G = 16 - 7 = 9
14. A) 9 B) 18 C) 24 D) 27 View Answer Report DiscussAnswer: Option AExplanation:Starting from 3 and moving clockwise, the number in each quadrant is the square of that in the previous quadrant. So, missing number = 32 = 9
15. A) 327 B) 386 C) 438 D) 469 View Answer Report DiscussAnswer: Option DExplanation:We have : 4x2-1=7; 7 x 2+ 1= 15; 15 x 2 - 1 = 29; 29 x 2 + 1 = 59; 59 x 2 - 1 = 117; 117 x 2+ 1 = 235. So missing number = 235 x 2 - 1 = 469
