Question

1.A bag had 97 marbles.Sam came and took 37 marbles away and Adrian put in some more marbles into the bag.The number of marbles in the bag. The number of marbles in the bag now is 13 more than the number of marbles it had initially. Find how many marbles Adrian had put in the bag.

2.A hot air balloon begins to descend towards the ground from a height of 2,250 feet.If it descends at the rate of 150 feet per minute, find the height after 12 minutes.

3.Hazel started a game of monopoly with Rs.80.She had to pay Rs.20 as tax and she received Rs.15 from one of her sister.Again she won Rs.30 by way of lottery and was then fined Rs.50 for Over speeding. How much money was left with her at the end of the game?

4.In Alberta City of Canada, in a particular year, the highest temperature recorded in summer was 47.2 ° C while the lowest temperature recorded in winter was - 24 ° C.What is the difference between the two temperatures?

5.In Shimla, the temperatures for six days were - 12 ° C, - 8 ° C, -3 ° C, -6°C,-5°C and -1°C.Represent the temperatures on a number line.
a) What was the lowest temperature reached?
b) On how many days was the temperature below 0°C?

6.A submarine moved from the water surface at a speed of ( - 20 ) m per minute. How far is the submarine from the water surface at the end of 7 minutes?

7 . Robert begins a board game with 100 points.Of the 12 games played, he wins 4 points each in 4 games and loses 11 points each in the rest.What is his total score at the end of the 12 games?

8 . Every floor of a 30 story building is 4m high.A lift moves 2m per second . How long will it take to move from 5th floor to 28th floor?

Please answer these all answers or how many as possible :)

Answer 1

1. 50 marbles adrian had put in the bag
2. height after 12 minutes is 700 feet
3. 45 rupees was left
4. temperature difference is 71.2 °c
5. a) -12°c
b) 6 days
6. 140 m far from water surface
7. -4 points
8. 46 m