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• Question 1
60 seconds
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Q. The additive inverse of -9/15 is:
-15/9
9/15
0
15/9
• Question 2
60 seconds
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Q. The two rational numbers which are equal to their recipeocals are
1,-1
1,0
-1,0
0,2
• Question 3
60 seconds
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Q. The rational number 3/2 lies between __________ and ____________ on the number line.
0,1
1,2
3,2
1,-1
• Question 4
120 seconds
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Q. The product of multiplicative inverse and additive inverse of (-5)/7 is ______________
1
5/7
-1
0
• Question 5
120 seconds
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Q. Find the difference between ( 1/ 6 and ( (-1)/18 ) .
-1/9
1/9
-2/9
2/9
• Question 6
120 seconds
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Q. Sum of 2/5 + ( (- 4)/15 ) ______________.
6/15
-2/15
2/15
-6/15
• Question 7
60 seconds
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Q. The absolute value of (-7)/9 is _____________.
9/7
7/9
-9/7
-7/9
• Question 8
120 seconds
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Q. The product of two rational numbers is –7. If one of the number is –10, the other number is.
-7/10
-10/7
7/10
10/7
• Question 9
60 seconds
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Q. Number of rational numbers between any two rational numbers
0
count less
1
10
• Question 10
60 seconds
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Q. If x= 13/17 then -(-x)=
-13/17
13/17
0
1
• Question 11
60 seconds
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Q. Rational numbers are closed under what airthemetic operations
+,-,x
+,x
-,÷
÷, x
• Question 12
180 seconds
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Q. Simplify [ 3/5 x 2/15 ] + [ 2/5 x 2/15 ] (use property )
3/15
1
2/15
1/15
• Question 13
120 seconds
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Q. Value of (-3/8 ÷ 9/16 ) x 3/2 =
1
0
-1
2/3
• Question 14
60 seconds
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Q. What property we use to compute 1/5+ 3/4 +2/15+5/8
distributive
commutative,associative
closure
inverse
• Question 15
60 seconds
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Q. The rational number which does not have reciprocal is
1
0
-1
nothing
• Question 16
60 seconds
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Q. The product of rational number and its reciprocal is
0
same number
-1
1
• Question 17
60 seconds
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Q. If x and y are two rational numbers x+y=y+x which property supports this statement
closure
identity
associative
commutative
• Question 18
60 seconds
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Q. Multiplicative inverse of -7 is
1/7
7
-1/7
0
• Question 19
180 seconds
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Q. What should be added to -7/8 to get -3/2
-5/8
5/8
1/4
-1/4
• Question 20
120 seconds
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Q. Multiplicative inverse of -2/5 X -3/7