Question

2. Shika and Neetu are friends . They both are very health conscious . They jog daily in the morning around a rectangular park of area is x2 + 6x + 8 a) Factorise the area of the park and find its dimensions b) Do you think jogging is a good habit or it is just a wastage of time and energy.

5. A water tank casts a shadow 21 m long. A tree of height 9.5 m casts a shadow 8 m long at the same time. The lengths of the shadows are directly proprotional to their heights. Find the height of the tank.

7. Area of a rectangle is given as x 2 – 7x + 10 . Find the possible length and breadth of the rectangle.

8. All goods were on sale in a shop. A10% discount was given on all goods and the woolen section had an additional 20% discount. Paresh bought woolens marked Rs 9000 . How much did he have to pay for them.

9. Sonu deposited 1,00,000Rs in a bank which promised to give compound interest at the rate of 10% p.a. compounded half yearly. If after 18 months she received an amount of 1,15,000Rs , did she receive the correct amount as per the agreement ?

10. A lady went to a bank with Rs. 1,00,000. She asked the cashier to give her Rs. 500 and Rs. 1,000 currency notes in return. She got 175 currency notes in all. Find the number of each kind of currency notes. 103.

11. Manu walks to school at the speed of 6 km/hr and reaches school in 20 minutes . As he was a bit unwell on Monday he took 30 minutes to reach school. What was his speed ?

Answer 1

q6:--- 5and 2
q11:--- 9km/h

Answer 2

question 11 ans is 2.5m/sec