Question

1. Arrange the following decimals in ascending order:

8.898 , 8.0898 , 8.98 , 8.00998 , 8.8809

2. Simplify: – + +

3. Evaluate :

(i) 3734 X 625

(ii) 4123 X 1835

(iii) X X

(iv) ÷

(v) 1312 ÷ 8

(vi) 559 ÷ 313

4. Simplify:

(i) 0.47 × 31.4 × 0.007

(ii) 6.032 × 12.4

(iii) 39.168 ÷ 0.12

(iv) 16.578 ÷ 5.4

5. Fill in the blanks:

(i) 123.62 x 49.3 = ___________ x 4.93

(ii) 24.35 x 7.28 = 728 x ___________

(iii) 346.218 x 19.42 = __________________ x 3.46218

6. The cost of 514 kg of potatoes is Rs 189. At what rate per kg are the potatoes being sold?

7. Tina volunteers at an animal shelter after school , feeding and playing with cats.

(i) If she can make 5 serving of cat food from 0.72 kg of food, how much does one

serving weigh?

(ii) If Tina wants to give this same serving size to each of the 23 cats, how many

kilograms of food would she need ?

8. By how much should 132.467 be increased to get 213.1 ?

9. In a basket of fruits, 15 were apples , 415 were oranges , 16 were pears and the remaining were bananas. If there were 11 bananas in the basket, find the total number of fruits in the basket. Also find the number of oranges and pears in the basket.

10. Three parcels weigh 5kg 25g , 4kg 256g and 6kg16g respectively . How much is

the total weight short of 20kg?

11. Minu returns from school at 2 p.m. She goes to bed at 10 pm. She has 8 hours to spend, out of which 1 hours is spent on playing outdoors, 3 hours on studying and 1 hours on the computer. She spends the remaining time with her parents. How much time does she spend with her parents?

12. Organic cantaloupes cost Rs 69.75 per melon, and non-organic cantaloupes cost Rs 42.45 each. If you buy five organic melons, how much more would they cost than five regular ones ?

13. Sheena bought 3Kg 45g of potatoes, 2Kg 6g of tomatoes, 2Kg 18g of carrot and some onions. If the total weight of the these vegetables is 10kg, find the weight of onions she bought.

14. If 34.765 × 6.28 = 218.3242, without actual multiplication find

(i) 0.34765 × 0.628 = __________

(ii) 3.4765 × 628 = __________

(iii) 3476.5 × 0.0628 = __________

15. Rajiv’s monthly income is 135000. He spends of his income on food, rent and maintenance , of the remaining on his children’s education and parents’ medical expenses, 14 of the remaining on other miscellaneous expenses and saves the remaining. Find his monthly savings

Answer 1

Answer:

2.(-) (+) (+) =(-)

Step-by-step explanation:

(-)(+)=(-)(+)=(-)

13.3kg 932 g