Question

1. When 3 is added to 7 times of a number then the sum became 31. Find the
number,
Or
2. Simplify following
3X [4X + {X+(5X-3X)}]
All the question carry marks 10 (any one)
1. Puja got Rs. 60 from her father, Rs. 40 from her mother and Rs. 20 from her
brother. She purchased a pen for Rs. 15. She distributed the remaining amount
equally amount among her five friends. How much money did each of her
friends get?
Or
The age of Namrata's father is 3 times the age of Namrata. If the sum of there
ages is 48 years, then find the ages of both​

Answer 1

Answer:

1. 3+7x=31

7x=31-3

=28

therefore X=28/7=4

next question

1.total amount puja got=120

remaining amount after buying pen=120-15=105

each of her friends get=105÷5=21

Answer 2

Answer:

3+7x=31

7x=31-3

7x=28

x=28÷7

x=4

*the number is 4