Quantitative Aptitude - Arithmetic Ability Questions

What is the reflection of the point (3,-5) in the origin?

If sinA + sin2A =1 then what is the value of cos2A + cos4A

What is the value of x4+y4 when the value of x3+y3=8 and x+y=2 ?

The third proportional of two numbers 12 and 48 is

What is the measure of the smaller of the two angles formed between the hour hand and the minute hand of a clock when it is 5:49 p.m.?

A certain sum of money becomes 4 times of itself in 30 years at a rate of simple interest. In how many years it will become double of itself at the same rate of simple interest?

Find the smallest 8 digit number which is exactly divisible by 121.

In a class of 55 students there are 34 girls. The average weight of these girls is 51 Kg and average weight of the full class is 55.2 kgs. What is the average weight of the boys of the class?