△PQR is a right triangle at Q. If ∠R = 60° and QR = 4 cm, then PR = ……….
A. 4 cm B. 5 cm C. 6 cm D. 7 cm E. 8 cm
21.In the figure, TG is a tower and angle of elevation of T from the point is 45°. If PG =20 m,
then TG = ………
A. 10 cm b. 15 cm C. 20 cm D. 25 cm E. 50 cm
Given that tan x = 3/5 , then sin y = ……..
A.3/5 B.3/4 C.4/5 D.5/4 E.5/3
Given that tan x = 1/5 , then tan y = ……….
A.3/10 B.1/3 C.1/√5 D.1/2 E.3/5
.If P=[2,7) and Q=(3,7], then P∩Q =………..
A.(3,7] B.(2,7] C.(3,7) D.[2,7] E.(4,7)
8.Let S=R if A={x\x<a},B={x\x>a} then (A∪B)´ is
A.∅ B.{a} C. {0} D.R{a} E.R
If P={x\x3+x2-6x=0 and x≥0} then P=…………
A.{2,0,-3} B.{2} C.{2,0} D.{-2} E.{2,-3}
10.The graph of the solution set of the inequation 5-x≥1 is
A. B. C. D. E.
4 4 -4 -4 -4
11.If A={a,b,c} , B={b,c,d} and C= {a,b,e} then A∩(B∪C)=……
A. {a,d,e} B.{a,d} C.{a,c,d} D.{a,b,d} E.{a,b,c}
If x∈ (P∩Q), which of the following is (are) true?
