Question

31 Solve 6(1 - 4x) + 7(2 + 5x) = 53
32. In how many years will Rs. 750 amount to Rs900 at 4% p.a?
33. In the adjoining figure. O is a point in the interior of the A ABC
Prove that AO +30 + CO > (AB + BC + CA)
34. In the adjoining figure, find a, b, c
85
31 ​

Answer 1

Step-by-step explanation:

6(1+4x)+7(2+5x)=53

6+24x +14 + 35x=53

59x=53-20

x=33/58

32.p= 750

a=900

si=900-750= 150

Si =PRT/100

T=100×SI/PR

=150×100/(750×4)

= 5years answer