`(11. 6-:0. 8)(13. 5-:2)=?` (a) 98 (b) 99 (c) 100 (d) None of these

(1.6xx3.2)/(0.08)=?( a) 0.8(b)6.4(c)8(d)64(d) None of these

sqrt(0.0169xx?)=1.3(a)10(b)100(c)1000 (d) None of these

The value of 4.12 is 4(11)/(90) (b) 4(11)/(99) (c) (371)/(900) (d) None of these

((13)^(3)+7^(3))/((13)^(2)+7^(2)-?)=20( a) 6( b) 20( c) 91 (d) None of these

R is a relation from {11, 12, 13} to {8, 10, 12} defined by y=x-3 . Then, R^(-1) is (a) {(8, 11), (10, 13)} (b) {(11, 8), (13, 10)} (c) {(10, 13), (8, 11), (8, 10)} (d) none of these

R is a relation from {11, 12, 13} to {8, 10, 12} defined by y=x-3 . Then, R^(-1) is (a) {(8, 11), (10, 13)} (b) {(11, 8), (13, 10)} (c) {(10, 13), (8, 11), (8, 10)} (d) none of these

999.99+99.99+9.99=? (a) 1019.89 (b) 1099.88(c)1108.99 (d) 1109.99 (e) None of these

4(4)/(5)-:6(2)/(5)=?(3)/(4) (b) (5)/(7) (c) (5)/(8)(d)(7)/(11) (e) None of these

What was the speed of vehicle C on Day 2 in terms of metres per second? (a) 15.3 (b) 12.8 (c) 11.5 (d) 13.8 (e) None of these

Two circles, each having radius 4, have a common tangent given by 3x+2y-6=0 at (2, 0) . Then their centres are : (A) (2+ 5/sqrt(13), 8/sqrt(13)), (2- 5/sqrt(13) , (-8)/sqrt(13)) (B) (2+ 12/sqrt(13), 8/sqrt(13)) , (2- 12/sqrt(13), (-8)/sqrt(13)) (C) (2, 3), (4, 5) (D) none of these