Quantitative Aptitude - Arithmetic Ability Questions

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?

Due to increase of k% in the side, the area of a square increases by 69%. What is the value of k?

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.?

What is the area (in sq cm) of a rhombus if the lengths of its diagonals are 25 cm and 20 cm?

If 4(x + 5) -­ 3 > 6 -­ 4x ≥ x -­ 5; then the value of x is

Select the odd word/letters/number/number pair from the given alternatives.

Point Q(-2,b) is the midpoint of segment EF. Co-ordinates of E are (-7,-6) and F are (a,0). What is the value of a and b?

Which of the following will yield a reclining decimal?