PQ1:
If $500 is increased by 25%, what is the new amount?
PQ2:
What is the fifth common multiple of 6 and 9?
PQ3:
There are 146 blue, green and red pens in a box. There are twice as many blue pens as green pens. There are 38 more green pens than red pens. How many red pens are there in the box?
PQ4:
At first, Helen had 228 fewer stickers than June. Then, Helen gave 54 of her stickers to June and the ratio of Helen's stickers to June's stickers became 1:8. How many stickers did Helen have at first?
PQ5:
At first, the number of males and females in a swimming pool was in the ratio 5:6. After 36 females left the swimming pool, the ratio of males to females became 4:3. How many people were there in the pool at first?
PQ6:
Bala had 315 red and blue marbles. He gave away 49 red marbles and 1/9 of the blue marbles. After that, the number of red marbles to the number of blue marbles became 5:4. How many red marbles did Bala have at first?
