What is the reflection of the point (-3, 1) in the line x = -2? 

What is the equation of the line whose y-intercept is -3/4 and making an angle of 45 ° with the positive x-axis? 

What should come at place of question mark (?) in the following number series?

1.7 5.4 19.2 80.8 409 ?

Study the following graph carefully to answer the given questions

Q and S work together for 5 days, the rest of the work is finished by M in two more days. If they get Rs. 6000 as wages for the whole work, what are the daily wages of Q, S and M respectively?

What will be remainder if (13)³ is subtracted from (66)² ?

One angle of a triangle is 55°. If the other two angles are in the ratio 9:16, find the angles?

Ram sold an article for Rs 380 at some profit. Had he sold it for Rs 300, then there would have been a loss equal to one-third at the initial point. What was the cost price of the article? 

Find the sum of 30²+31²+32²+________+80²