The shifting of a number from one side of an equation to other is called
Transposition
Distributivity
Commutativity
Associativity
The value of x for which the expression 3x - 4 and 2x + 1 become equal is
-3
0
5
1
Linear equation in one variable has
Only one variable with any power
Only one variable with power 1
Only one term with a variable
Only constant term
The digit in the tens place of a two digit number is 3 more than the digit in the units place. Let the digit at the units place be b. Then the number is
11b + 30
10b + 30
11b + 3
10b + 3
Arpita's present age is thrice of Shilpas. If Shilpa's age 3 years is x, then Arpita's present age is
3(x - 3)
3x + 3
3x - 9
3(x + 3)
The sum of three consecutive multiples of 7 is 357, then the smallest multiple is
112
126
119
116
Two numbers are in the ratio 3:5 If their sum is 64, then the numbers are
24 and 40
15 and 24
10 and 24
20 and 24
The sum of the ages of three persons is 100 years. What will be the sum of their ages after 5 years?
100 years
115 years
800 years
305 years
Sum of two numbers is 75. If one exceeds the other by 15, then the numbers are
25 and 40
50 and 65
30 and 45
40 and 55
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