Question

please explain full solution of
Q14
Q15
Q16
Q17
Q18​

Answer 1

Answer:

Q16 is profit of rs. 120

Q15 ans is 24 marks

Q18 ans is 210

Answer 2

Answer:

in 14 you have to find the simple interest for 4yrs.

The formula will be :

S.I. =

$s.i. \ = \frac{ptr}{100}$

In 15 you have to find that how much more marks would he need to score 92%

In 16 you have to find the loss percentage.

In 17 you have to find the age of the father

In 18 the value of p is 4 so

2p³ + 4p² + 18

• {2(4)³} + {4(4)²} + 18
• (2 X 64) + (4 X 16) + 18
• 128+ 64 + 18
• 210