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qwelly [4]
3 years ago
5

In a competitive examination negative marks of 2 are awarded for each wrong answers and 4 marks for every correct answer. If nee

rav gets 15 correct answers and 5 wrong answers and rajan gets 14 correct answers and no wrong answers, who gets more marks and by how much?
Mathematics
1 answer:
Alex777 [14]3 years ago
3 0

9514 1404 393

Answer:

  Rajan gets 6 marks more

Step-by-step explanation:

Neerav's marks are (15)(4) +(5)(-2) = 60 -10 = 50.

Rajan's marks are (14)(4) = 56.

Rajan gets 6 more marks than Neerav.

You might be interested in
A(n) = -5 = 6(n-1)<br> Find the 12th<br> term in the sequence.
Margarita [4]

Step-by-step explanation:

According to the question a(n) = -5 for all real values of n.

So the 12th term in the sequence is -5.

6 0
4 years ago
Find the balance in the account after the given period.
Lapatulllka [165]

Answer:

balance after 4 years = $4502

Step-by-step explanation:

Formula to get the final amount when compounded annually is,

Final amount = \text{Principal amount}\times (1+\frac{r}{n})^{nt}

Here, r = rate of interest

n = number of compounding per year

t = Duration of investment

From the given question,

Final amount = 4000(1+\frac{0.03}{1})^{(1\times 4)}

                      = 4000(1.03)^4

                      = 4502.0352

                      ≈ $4502

Therefore, balance after 4 years = $4502

8 0
3 years ago
Kevin wants to earn more than $58 trimming trees. He charges S6 per hour and pays $8 in equipment fees. What are the possible nu
jonny [76]

Answer:

58 ≤ 6r - 6

64 ≤ 6r

10.3 ≤ r

Step-by-step explanation:

6 0
3 years ago
Find the first term of the sequence 4, 12, 36, 108.... which exceeds 20,000.
Schach [20]

Answer:

43740

Step-by-step explanation:

its an exponential factor of 3 just multiply each answer by 3 to get the next one up

5 0
3 years ago
A state park charges an entrance fee based on the number of people in a vehicle. A car containing 2 people is charged $14, a car
Doss [256]

Answer:

Bus charges for 30 people = $98

Step-by-step explanation:

Given:

Car A charges for 2 people = $14

Car B charges for 4 people = $20

Van charges for 8 people = $32

Find:

Bus charges for 30 people

Computation:

Assume;

Fix charge = b

Variable charges = a

So,

2a + b = 14.................................. Eq 1

4a + b = 20 ..............................Eq2

From Eq 1 and 2

a = 3

Variable charges = $3

Fix charge = 8

So,

Bus charges for 30 people = 30a + b

Bus charges for 30 people = 30(3) + 8

Bus charges for 30 people = $98

7 0
3 years ago
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