Comparing Quantities Test

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Comparing Quantities Test - 8

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Weekly Quiz Competition

Question 1
1 / -0

The marked price of a fan is RS. 2000/- and the shopkeeper allows a discount of 8% on it. Find selling price of a fan,

A
1260/-

B
1840/-

C
1730/-

D
2160/-

Solution

2000 × 8/100 = 160
∴ 2000 − 160 = 1840./−
Question 2
1 / -0

By selling a Shirt Rs. 210/-, a shopkeeper loss 10%. What will be the actual price of a Shirt?

A
233.33/-

B
267.67/-

C
250/-

D
230/-

Solution

Shop keeper sells at 90% price
⇒ 0.9 × C.P = 210
⇒ C.P = 2100.9 = 233.33.
Question 3
1 / -0

The population of a town 2 years ago was 62500. Since some persons migrate to different cities the number of people decreases every year at the year of 4% per annum. Find its present population.

A
53600

B
55400

C
55600

D
57600

Solution

Present pop =62500 (1−4/100)² =62500 × (0.96)² = 576007/−.
Question 4
1 / -0

A sum of money is to be distributed among A, B, C, D in the proportion of 5 : 2 : 4 : 3, If C gets Rs. 1000 more than D. What is B's share?

A
500

B
1500

C
2000

D
None of these

Solution

Let money distributed be 5x,2x,4x,3x 4x−3x=1000
⇒ x = 1000
⇒ B's share = 2x = 2000/-.
Question 5
1 / -0

The ratio of the number of boys and girls in a college is 7 : 8. If the percentage increase in the number of boys and girls be 20% and 10% respectively. What will be the new ratio?

A
8 : 9

B
17 : 18

C
21 : 22

D
can't be determined

Solution

Let nos be 7x,8x After increase,
Boys = 7x × 1.2 = 8.4x
Girls = 8x × 1.1 = 8.8x
New ratio = 8.4x /8.8x = 21/22.
Question 6
1 / -0

If Rs. 782 be divided into 3 parts, proportional to 1/2:2/3:3/4, then the first part is

A
Rs. 182

B
Rs. 190

C
Rs. 196

D
Rs. 204

Solution

(d) 1/2:2/3:3/4 Multiplying by 12,
this is same as 6 : 8 : 9
Now
6x + 8x + 9x = 782
23x = 782
⇒ x = 34
⇒ 6x = 204/−
Question 7
1 / -0

The salaries A, B, C are in the ratio 2 : 3 : 5. If the increments of 15%, 10% and 20% are allowed respectively in their salaries, then what will be the new ratio of their salaries?

A
3 : 3 : 10

B
10: 11 : 20

C
23 : 33 : 60

D
can't be determined

Solution

EXPLANATION:-(c): Let salaries be 2x, 3x, 5x After increment,
A's salary =2x × 1.15 = 2.3x
B's salary =3x × 1.1 = 3.3x
C's salary =5x × 1.2 = 6x
New ratio =2.3x : 3.3x :6x = 23 : 33 : 60.

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Re-Attempt Weekly Quiz Competition

Comparing Quantities Test - 8

Result

Comparing Quantities Test - 8

Score

-

Rank

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SHARING IS CARING

Question 1

1260/-

1840/-

1730/-

2160/-

Solution

Question 2

233.33/-

267.67/-

250/-

230/-

Solution

Question 3

53600

55400

55600

57600

Solution

Question 4

500

1500

2000

None of these

Solution

Question 5

8 : 9

17 : 18

21 : 22

can't be determined

Solution

Question 6

Rs. 182

Rs. 190

Rs. 196

Rs. 204

Solution

Question 7

3 : 3 : 10

10: 11 : 20

23 : 33 : 60

can't be determined

Solution

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