plz solve this ques 33 X = 2 and
= l. •Find a and b.
7).
and y
29. Solve .
5
+ 3(3x-2y) =
3
5
5(3x-2y) - 60
4(x+2y) ¯
3
2
61
find the value
= 49, find
+ (c — a)3
in factors
c - 3a)3
30. A man invested certain amount of money in
two schemes A and B which offer interest at
the rate of 8% per annum and 9% per annum
respectivley. He received 1,860 as annual
interest. However. if he had interchanged the
amount of investments in the two schemes, he
would have received 20 more as annual
interest. How much money did he invest in
each scheme ?
M. Some money is to be distributed equally
among children of a locality. If there are
8 children less, every one will get 10 more
and if there are 16 children more, every one
will get 10 less. What is the total amount
of money to be distributed ?
32. 3 men and 4 boys can do a piece of work in
14 days, while 4 men and 6 boys can do it
in 10 days. How long would it take I boy to
finish the work ?
33. A train leaves New Delhi for Ludhiana, 324
km away, at 9 a.m. One hour later, antoher
train leaves Ludhiana for New Delhi. "Ihe met
at noon. If the second train had started at
9 a.m. and the first train at 10.30 a.m., they
both would still have met at noon. Find the
speed of each train.
38.
39.
40.
41
34.
Beaker A contains sugar solution with 18
percent sugar. beaker B contains sugar
solution with 12 percent sugar. How much of
each must he mixed together to get solution
of 16 percent sugar weighing 240 gm of it ?
7.
