`(15)^2+(18)^2-20=sqrt(?)` (a) 22 (b) 23 (c) 529 (d) 279841 (e) None of these

74844-:?=54xx63(a)22(b)34(c)42(d)54(e) None of these

The sum of values of x satisfying the equation (31+8sqrt(15))^(x^2-3)+1=(32+8sqrt(15))^(x^2-3) is (a) 3 (b) 0 (c) 2 (d) none of these

The sum of values of x satisfying the equation (31+8sqrt(15))^(x^2-3)+1=(32+8sqrt(15))^(x^2-3) is (a) 3 (b) 0 (c) 2 (d) none of these

7777-:77-:5=?(a)15.2(b)18.5(c)22.4 (d) 50.5(e) None of these

[(sqrt(81))^(2)]^(2)=(?)^(2)(a)8(b)9(c)4096(d)6561(e) None of these

[(125)^(2)-:50xx20]-:25=?(a)11(b)100 (c) 150(d)250(e) None of these

The value of (1-(1)/(3^(2)))(1-(1)/(4^(2)))(1-(1)/(5^(2)))ddot M(1-(1)/(11^(2)))(1-(1)/(12^(2))) is (11)/(20) (b) (13)/(15) (c) (13)/(18) (d) (15)/(16) (e) None of these

If A+B=96 and A is half of B , then the value of A will be (a) 22 (b) 32 (c) 48 (d) 64 (e) None of these

sqrt(sqrt(17956)+sqrt(24025))=?(a)19(b)155(c)256(d)289(e) None of these

[(?)^(2)+(18)^(2)]-:125=3.56(a)11(b)12(c)14(d)15(e) None of these