38 + 25 + 75 = ?
140
138
148
150
Shorthand of writing number related facts using letters is called
Number Theory
Algebra
Expression
None of these
There are 38 children when the class started. 5 came in late. Sometime later, 3 went to attend the Math club meeting. How many are in the class now?
43
40
37
38
Find (x - y) - (x - y)
xy
x2
x2 + y
0
Unni had 500 rupees with him and gave 150 rupees to Appu. Sometime later Raju borrowed 50 rupees from him. How much many does Unni have?
350
250
300
200
