The age of a man is twice the age of his son .The sum of their ages is 75 years .Then their ages are __________ .
25,50
20,55
15,60
none of these
Solution of 3x - 4y = 10 and 5x - 3y = 24 is __________ .
x = 6, y = 2
x = 4 , y = 4
x = 5 , y = 7
x = 2 and y = 3
If 9 is subtracted from five times a number the answer is 21 .Then the number is ________ .
5
6
7
9
The length of a rectangular field is 8 m more than its width and perimeter of the field is 76 m.Then its length and width is _______ .
23m , 15m
22m,16m
20m , 18m
Solution of the following equation by the method of substitution is _________ .x - y = 12x - y + 6.
x = 4 , y = 5
x = 5, y = 4
x = 3 , y = 2
x = 6 , y = 7
Solve 2a + b = 5 3a - 2b = 4
a = 2 , b = 1
a = 1 , b = 2
a = 2, b = 2
a = 4, b = 2
If 5x + 3 = 18 ,then the value of x is __________ .
21/ 5
-21/5
3
-3
The difference between the ages of two girls is 5 years.Their total age is 19 years .Then their ages are ________ .
14 , 5
13 , 6
11,6
12 , 7
The sum of a two digit number and the number obtained on reversing the digits is 165 .If the digits differ by 3,then the numbers are _______ .
69
65
67
89
If I multiply a number by 4 and then add 8 the total is 32 .What is the number ?
4
8
