`sqrt((0. 361)/(0. 00169))=?` `(1. 9)/(13)` (b) `(19)/(13)` (c) `(1. 9)/(130)` (d) `(190)/(13)`

Simplify: 1/(1+(2/3)/(1+2/3+(8/9)/(1-2/3))) . (11)/(13) (b) (13)/(15) (c) (13)/(11) (d) (15)/(13)

(16(2)/(5)-12(1)/(15))-:3(4)/(81)=?( a) 1(9)/(19) (b) 1(9)/(13)(c)2(8)/(13) (d) 3(2)/(19) (e) None of these

A card is drawn at random from a pack of 52 cards.The probabilility that the drawn card is not an ace is (1)/(13) (b) (9)/(13) (c) (4)/(13) (d) (12)/(13)

sqrt(24-:0.5+1)+sqrt(18-:0.6+6)=?(a)19 (b) 13(c)12 (d) 15

Which of the following is true? A) (9)/(16)lt(13)/(24) B) (9)/(16)=(13)/(24) C) (9)/(16)gt(13)/(24) D) (9)/(16)le(13)/(24)

Prove that: 2cos (pi)/(13) cos (9 pi)/(13)(3 pi)/(13)(5 pi)/(13)=0

Which one of the following is true? 1/2<9/(13)<3/4<(12)/(17) (b) 3/4<9/(13)<1/2<(12)/(17) (c) 1/2<3/4<9/(13)<(12)/(17) (d) 1/2<9/(13)<(12)/(17)<3/4

The vertices A, B, C of a triangle are (2,1),(5,2)and(3,4) , respectively. Then, the circumcentre is a) ((13)/(4),(-9)/(4)) b) ((-13)/(4),(9)/(4)) c) ((-13)/(4),(9)/(4)) d) ((13)/(4),(9)/(4))

A card is drawn at random from a pack of 52 cards. The probability that the drawn card is not an ace is (a) 1/(13) (b) 9/(13) (c) 4/(13) (d) (12)/(13)

If sqrt(1+(x)/(169))=(14)/(13), then x is equal to (a) 1 (b) 13(c)27 (d) None of these