This content appears to be a transcript or notes from a mathematics lesson or practice session, covering various arithmetic and algebraic concepts, including ratios, profit/loss, number sequences, algebraic identities, and geometry.
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ratio and proportion
profit loss and discount partnership
partnership
mainly meanwise.
n into n + 1 / 2.
S of consecutive numbers. Sum of
13 square 13 square
Toy no
Which one of the following statements is
Yes. A statement correct.
Option D2.
If the HCF and LCM of P Q are
R and S respectively, then the LCM of P
remaining remaining factors.
Remaining factors HCF. foreign.
then
2x3us
A - A - plus plus
6
by 9 - 20 by 9
11 by 9 option B is the correct answer.
option
Next option B2
by 8 is less than 3x 4 mip
is incorrect.
two 1 2 8 9 A number two square
35 square 35 square 1 2 5 36 36.
A
square number
number XUS
XUS
96 29
given number Okayus
given number
296
296. Okay. Highest
Same process.
If we divide rupees rupees 460 among 10
men, 16 women and 20 children equally
zone
manu. Okay. Total amount.
Total amount divided by total person.
Total amount divided by total person.
Okay,
C by D. Cross multiply A into D. A into
D is equal to B into C by A into D is
equal to B into C.
A into D is equal to B into C. Option C
to correct answer.
Next question. Discounter, profit, loss,
A r. Okay.
investal invest
invest 990
990
6 64 64.
Okay. Total investment invest
Active investor%
14 A4
power and indexes
2 to the power
Left hand side right hand side equal
hello equal base equal
Simple.
If x + 1x is = 7 then x square + 1x
x + 1x value p then x² + 1 x² value p² - 2
2
p² - p 2
x + 1 x 79us
+ one X
x - 2 + x is = 48.
Consecutive odd numbers x - 2 x x + 2.
These are the consecutive odd numbers.
X - 2 + = 48 a2
x + x + x + 2 = 48 a2.
Option two a2 d a2 d option. This is the
10% 10%
by 100
option A is the correct answer. 121. Okay.
The base and height of a parallelogram
are 5 cm and 3 cm respectively. Find the
area of the parallelogram. Okay.
Base. Okay.
into height. Base into height
5 into 3 5 into 3 15. Option C is the
correct answer. Are square
x 2 into 2x 4x 4x
area. Okay.
4 x into x x² 4 x². Option D is the
third side. Okay.
+ B cater. A
is greater than 8. Next
Okay.
Y
two units. Option A is the correct
X Yus 2
repeatation.
Z2.
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