Question

6) John's father is 49 years old. He is 5 years older than four times John’s age.
What is John’s age?

SECTION – B

II) Answer any four of the following questions:
7) The length of a rectangle is (x - 2y) and breadth is
(2x2 – 2y-4xy) respectively, find the area.
8) Divide: (x3- 6x2 +9x - 2) by (x - 2).
9) If (x+1/x)=4 ,find the value of
10)Factorize:
i)
ii)
11)Two trains 130 m and 140 m long are running on parallel tracks in the same
direction with a speed of 68 km/hr and 50 km/hr. How long will it take to clear
off each other from the moment they meet?
12)The numerator of a rational number is 3 less than the denominator. If the
denominator is increased by 5 and the numerator by 2, we get the rational
number 1/2. Find the rational number.

pls i need it quick

Answer 1

Answer:

6 answer is

John's age is 11

Step-by-step explanation:

sorry I don't know section B answer