No. 28.
1. Find the factors of:
670
ALGEBRA.
CLASS I A.
(1) 9252xy + 35y2
(2) 3a2 + 112 + 7
(3) 4a2h2 — (u2 + b2 + e2)2
2. Solve the equations
2
y
(1)
+
a
b
b
C
تہ
(2)
2
+
= 1.
16
b
=
+ 7
a
3. A number of 3 digits is decreased by 99 if the digits be reversed; the sum of the digits is 15; and, if the number be divided by 10 the quotient is 12 times the remainder. Find the number.
4.
(1) Prove that ao = 1,
(2) Reduce to its simplest form
am + {"
+6-
(3) Find the square root of :-
12
J
✓ 80
Em
5. (1) Find the sum of terms of an Arithmetical Progression whose 1st term is a and whose common difference is d.
(2) What is the 10th term of the series
1 1 2
?
3 6 3
(3) Find an Arithmetical Progression whose 1st term is 1
and such that its 1st, 2nd and 6th terms are in G. P.
6. A person buys eggs for 15s. and retails them for 15d. a dozen. thereby gaining the cost of 189 eggs; how many did she buy?
No. 29.
1. Find the factors of :-
ALGEBRA.
CLASS I B.
(1) v2 + ¿ (2) 9x2 (3), 1
—
30.
52 xy + 35y2.
9a".
2. The H. C. F. of 2 expressions is (c-7), and their L. C. M. is 10e2 + 11æ + 70. One of the expressions is 2 5- 14. Find the other.
is as
3. Simplify :---
1
e ( x + 1)
2.7 3
1
a(+1) (+2) it (i + 2)
4. A boy starts from home and walks to school at the rate of 11 yards in 9 seconds and is one minute late. If he had walked at the rate of 22 yards in 15 seconds he would have been half a minute too
Find the distance to the school.
soon.
5. Solve the equations :--
(1)
+ =
// +
a
k
رقم
(2)
a
—
ос
८८
J.