Multiplicative inverse of 0 is :
0
1
-1
Not defined
≠
The product of two numbers is - 81/ 91. If one of the numbers is -9 / 7, find the other number:
8/13
9/13
8/17
9/17
Write the rational number 25 / - 50 in standard form.
-1/2
1/ -2
-25/ 50
5 / - 10
How many ink pens can be filled from a container containing 1 litre ink if each pen is filled with 20 ml ink ?
5000
500
50
5
Divide the sum of 4/5 and 6/11 by their difference :
31/7
34/7
37/7
40/7
How many pieces of length 3 ¾ cm each can be cut from a rope of length 30 cm.
8
7
6
The price of 13 key chains is Rs. 201 1/2 . Find the price of one key chain.
27/2
29/2
31/2
33/2
3090/3
3190/3
3191/3
3091/3
Which of the following pairs of rational numbers are equal
-9/ 12 and 8/ 12
-16 / 20 and 20 / -25
- 8/ 1 and 13 / 21
4/5 and 6/7