Mix Test

Result

Mix Test - 9

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Weekly Quiz Competition

Question 1
1 / -0.25

A carpet is sold for Rs. 585 at a loss of 10%. The cost price is:

A
Rs. 640

B
Rs. 620

C
Rs. 630

D
Rs. 650

Solution

S.P. = Rs. 585, Loss = 10% of C.P.
Question 2
1 / -0.25

The smallest number of four digits is:

A
0010

B
1000

C
1001

D
0001
Question 3
1 / -0.25

Evaluate the following:

A
5.37

B
5.85

C
6.05

D
4.75

Solution
Question 4
1 / -0.25

Find the compound interest on Rs. 1000 in one year at 5% per annum when the interest is calculated half-yearly ?

A
Rs. 50.20

B
Rs. 50.82

C
Rs. 55.62

D
Rs. 50.62

Solution

When interest is calculated half yearly, convert 1 year into 2 half years and take half of the rate.

Thus, rate = 2.5%, n = 2

Interest = 1050.62 - 1000 = Rs. 50.62
Question 5
1 / -0.25

A shopkeeper purchased 500 pieces for Rs 20 each. However, 50 pieces were spoiled in the way and had to be thrown away. The remaining were sold at Rs 25 each. Find the gain or loss %.

A
Loss 20%

B
Loss 15%

C
Gain 12.5%

D
Gain 18%

Solution

Total Purchase Price = 500 × 20
= Rs 10000
Remaining pieces = Total - spoiled = 500 - 50 = 450
Selling Price of Remaining pieces = 450 × 25
Total Selling Price = Rs 11250
Gain = 11250 - 10000
= Rs. 1250
Question 6
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There are ‘b’ boys and ‘g’ girls in a class. The ratio of the number of boys to the total number of students in the class is:

A
b/b+g

B
g/b+g

C
b/g

D
b+g/b

Solution

Number of boys in the class = b
Number of girls in the class = g
Total number of students in the class = b + g
Therefore, The ratio of the number of boys to the total number of students in the class = b/b+g
Question 7
1 / -0.25

Find the present worth of Rs. 460 due 3 years hence at 5% per annum S.I.

A
Rs. 410

B
Rs. 450

C
Rs. 420

D
Rs. 400

Solution
Question 8
1 / -0.25

The mean proportion of 11 and 44 is:

A
3

B
11

C
33

D
22

Solution

Let the mean proportion be x.
11:x and x:44 are in proportion.
product of means = product of extremes
x × x = 11 × 44
x² = 484
x = √484
x = 22
Question 9
1 / -0.25

56 × ? = 2408

A
53

B
45

C
62

D
43

Solution

56 × x = 2408
Question 10
1 / -0.25

In Proportion the Symbol :: is used for ________.

A
To show greater ratio

B
None of these

C
To show smaller ratio

D
To equate the two ratios

Solution

a: b :: c: d
a:b = c:d