Question

11. The sum of two numbers is 95. If one excee
two numbers is 95. If one exceeds the other by 3, find the numbers.
12. The present age of Nisha's mother is three times that of Nisha's. After five years, sum of their
ages would be 70 years. Find their present ages.
13. A total of 50000 is to be distributed among 250 persons as prizes. A prize is either 600 or
*100. Find the number of each type of prize.
14. The sum of - of a number and 2 of the number is 22. Find the number.
15. The breadth of a rectangle is one-fourth of its length. If its perimeter is 80 metres, find its length.
16. The numerator of a fraction exceeds the denominator by '4'. If'l' is added to the denominator
of the fraction, it becomes . Find the fraction.
17. Richa is engaged for 20 days on the condition that she will receive 360 for each day she works
and will be fined 35 for each day she is absent. If she receives * 745 in all, for how many days
did she remain absent?
18. Babita earned a profit of 10% by selling a mobile set for 7150. Find the cost price of the
mobile set.
19. The ages of Rita and Geeta are in the ratio of 5: 7. Ten years later, the ratio of their ages will
be 7: 9. Find their present ages. (Hint: If their present ages are 5x and 7x years, then after 10 years, their
ages will be (5x + 10) and (7x + 10)]
20. Ruchi has three bags of different articles. Bag A weighs 3 kg more than bag B and bag C weighs
5 kg more than bag B. The total weight of articles is 23 kg. How much does bag A weigh?​

Answer 1

Answer:

11.

let the Nisha's age be x

her mother age be 3x

after 5 years

Nisha's age x+5

Her mother age 3x+5

A To Q

x + 5 + 3x + 5 = 70

4x + 10 =70

4x = 70 -10

4x = 60

x = 60/4

x = 15

Therefore

Nisha's age x = 15

her mother age 3x

= 3*15

= 45