Question

1. If a=1/2 , b=2/3 , c=3/4 , verify that a x ( b x c )=( a x b ) x c.

2. Divide the sum of -3 /7 and 5/6 from their product.

3. A person earns Rs100 in a day. If he spends Rs 15⅕ on food and Rs 20⅓ on rent. How much did

he save on that day.

4. Sohan cut a 21 ⅓ m long rope into pieces of 5⅓m length each .How many pieces of the rope did

he get.

5. Verify the commutative property for the pair of rational numbers



and



.

6. What number should be subtracted from-3/5 to get -2?

7. Which of the rational number is greatest -11/28, -5/7, 9/(-14), 29/(-42).

8. A mother and her two daughters got a room constructed for Rs. 62000. The elder daughter

contributes 3/8 of he mothers contribution while the younger daughter contributes ½ of her

mother’s share, How much do the three contribute individually​

Answer 1

Answer:

1. 1/4 = 1/4
2. -14/15
3. 64 1/6
4. 4 pieces
5. No...
6. 7/5
7. No...
8. No...