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Q15) Can it be concluded that angle ABO = angle ODC
1) ABCD is a Parallelogram and O is the point of intersection of the diagonals.
2) Angle DOC =75deg. and angle DAO =35deg.
Ans: A
Q16) What is the value of x+y?
1) 2y=x+6
2) 5x=10y-30
Ans: E
Q17) How many students are there in the class?
1) 30 students play foot ball and 40 play cricket .
2)Each student plays either foot ball or cricket or both.
Ans: E
Q18) What is the value of a:b?
1) a=x+10%ofx
2) b=a+10%ofa
Ans: B
Q19) What is the maximum value of the expression 5+8x-8x^2?
1) x is real
2) x is not positive
Ans: C
Q20) What will be the value of the greatest angle of the triangle ABC?
1) Angles of the triangle are in the ration 2:5:3
2) The side opposite to the greatest angle is the longest side.
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