Question

Without adding, find the sum of:
1+3+5+ 7 +9
a. 16
b. 9
c. 36
d. 25
In the equation 3x = 4-x, transposing -x to LHS we get
a. 3x - X= 4
b. 3x + x = 4
C.. -3x+x=4
d. -3x - x = 4
The squares of which of the following would be odd numbers?
a. 2826
b. 82004
c. 434
d.7779
What number should be added to 3/8 to get -1/24?
a. -5/12
b.-7/23
c. 31/72
d. 2/33​

Answer 1

Answer:

1. d) 25

2.b) 3x+ x =4

3.d) 7779

4.a) -5/12

hope this is useful...