`681472 3=?` (a) 76 (b) 88 (c) 96 (d) 98

6814723=?( a) 76(b)88(c)96(d)98

1, 1, 2, 6, 24, 96, 720 (a) 720 (b) 96 (c) 24 (d) 6 (e) 2

The mean of 25 observations was found to be 78.4. But later on it was found that 96 was misread as 69. The correct mean is (a)76.54 (b) 78.4 (c) 79.48 (d) 81.32

24.96^(2)-:(34.11-:20.05)+67.96-89.11=? (a) 884 (b) 346 (c) 252 (d) 424 (e) 366

cot16^0cot44^0+cot44^0cot76^0-cot76^0cot16^0 = (a) 1 (b) 2 (c) 3 (d) 4

cot16^0cot44^0+cot44^0cot76^0-cot76^0cot16^0 = (a) 1 (b) 2 (c) 3 (d) 4

cot16^0cot44^0+cot44^0cot76^0-cot76^0cot16^0 = (a) 1 (b) 2 (c) 3 (d) 4

If 1 = 2 , 3 = 6 , 4 = 8 , and + = - , what would be the value of 41+ 34 + 13= ? (A) -88 (B) 88 (C) 12 (D) -12

71, 76, 69, 74, 67, 72, (......) (a) 77 (b) 65 (c) 80 (d) 76

Each diagonal of a square is 14 cm. Its area is (a) 196\ c m^2 (b) 88\ c m^2 (c) 98\ c m^2 (d) 148\ c m^2