Question

EXERCISE 8.4
1. If 5 is subtracted from three timesinden multipliedcreased by 78.
3. Find three consecutive natural numbers such that the sum of the first and second is 15 more
than the third.
4. The difference between two numbers is 7. Six times the smaller plus the larger is 77. Find the
numbers.
5. A man says, "I am thinking of a number. When I divide it by 3 and then add 5, my answer is
twice the number I thought of". Find the number.
6. If a number is tripled and the result is increased by 5, we get 50. Find the number.
7. Shikha is 3 years younger to her brother Ravish. If the sum of their ages is 37 years, what are
their present ages?
8. Mrs. Jain is 27 years older than her daughter Nilu. After 8 years she will be twice as old as
Nilu. Find their present ages.
9. A man is 4 times as old as his son. After 16 years, he will be only twice as old as his son. Find
the their present ages.
10. The difference in age between a girl and her younger sister is 4 years. The younger sister in
turn is 4 years older than her brother. The sum of the ages of the younger sister and her
brother is 16. How old are the three children?
11. One day, during their vacation at a beach resort, Shella found twice as many sea shells as
Anita and Anita found 5 shells more than sandy. Together sandy and Shella found 16 sea
shells. How many did each of them find?
12. Andy has twice as many marbles as Pandy, and Sandy has half as many has Andy and
Pandy put together. If Andy has 75 marbles more than Sandy. How many does each of them
have?
13. A bag contains 25 paise and 50 paise coins whose total value is Rs 30. If the number of 25
paise coins is four times that of 50 paise coins, find the number of each type of coins.
14. The length of a rectangular field is twice its breadth. If the perimeter of the field is 228 metres,
find the dimensions of the field.
15. There are only 25 paise coins in a purse. The value of money in the purse is Rs 17.50. Find
the number of coins in the purse.
16. In a hostel mess, 50 kg rice are consumed everyday. If each student gets 400 gm of rice per
day, find the number of students who take meals in the hostel mess.​

Answer 1

Answer:

this is lot time consuming contact me persnally i will solve all