In questions numbered 1 to 20. a questionis followed by data in the form of two statements labeled as Iand II. You must decide whetherthe data given in the statements are sufficient to answer the questions. Using the data make an appropriate choice from (1) to (4) as per the following guidelines:
What is the value of $$x^{2} - y^{2}$$?
I. $$(x - 2018)^{2} + (y + 2019)^{2} = 0$$
II. $$(x + 2018)^{2} + (y - 2019)^{2} = 0$$
Will B take more than 9 hours to complete the job alone?
I.A works faster than B.
II.A and B can togetherfinish the job in 6 hours.
What is the area of the rhombus?
I.Each of its sides is 120 cm.
II.Each of its opposite angles are $$60^\circ$$.
In the figure given below, what is the value of $$\alpha+\beta+\gamma+\delta$$ ?
I. $$\alpha + \beta + \gamma + \delta$$
II. $$\theta + \phi = 90^\circ$$
What is the day of the week was 31st December of that year?
I.In that year the first of March was Monday.
II.That year was a leap year.
A, B, C, D and E are sitting around a circulartable facing the centre. Who is sitting to the immediate left of C ?
I.Only A is between E and B.
II.D is to the immediate left of B.
Whatis the area of the sector 4 of the circle?
I. The sector 4 makes an angle $$60^\circ$$ at the centre.
II. Length of the arc of the sector A is $$\frac{110}{21}$$cm.
What is the area ofthe right angled triangle?
I.Its longest side is 6 cms.
II.One of its angle is $$45^\circ$$.