**Q.1 of a number is 442 less than 3/7 of the same number. What is the 25% of that number?**

A. 475.15

B. 625.25

C. 312.50

D. 386.75

E. None of these

**Q.2 If the side of a square is decreased by 50%, then find out how much % change in area of that square?**

A.75% decrease

B. 50% increase

C. 87.5 decrease

D. 125% increase

E. None of these

**Q.3 A milkman has 80 liter mixture of milk and water which has 20% of water. The milkman sold some mixture and add 8 liter of water to the remaining mixture. Now the ratio of the milk and water is 12:5. Find the sold mixture.**

A. 5 Liter

B. 20 Liter

C. 16 Liter

D. 4 Liter

E. None of these

**Q.4 40% of Aman's annual salary is equal to 15% of Bablu's annual salary. Aman's salary of 3 months is equal to Chintu's salary of 2 months. What is the ratio of Aman, Bablu and Chintu's salary?**

A. 9:8:16

B. 5:4:6

C. 6:16:9

D. 7:15:6

E. None of these.

**Q.5 In an election, 5% of the total votes are invalid votes. Among 3 candidates, A got 38% of total valid votes, B got 20% of total votes and C got remaining votes. If C won election by 2850 votes then find out total votes?**

A. 60000

B. 85000

C. 50000

D. 75000

E. None of these

## Answers With Explanation

#### 1. Ans. C

__Solution:__#### 2. Ans. A.

__Solution:__
=-100+25=75% decrease

In 80 liter mixture, Milk=64 liter, Water=16 Liter

Let milkmen sold X liter mixture, then

5(64-x×80%) = 12(16-x×20%+8)

5×64 - x×80%×5 = 12×16 - x×20%×12+12×8

320 – x ×400% = 192 - x×240% + 96

320-192-96 = x×400% - x×240%

32 = x×160%

x = 20 Liter

Let Aman's annual salary = X, Bablu's annual salary = Y, Chintu's Annual salary = Z

X×40% = Y×15%

Y= X×40/15

X/12×3 = Z/12×2

Z= 6/4×X

X : Y : Z = X : X×40/15 : 6/4×X

= 6:16:9

Total votes = x

Invalid votes = x×5%

Valid votes = x×95%

A's votes = x×95%×38%

B's votes = x×95%×20%

C's votes = x×95%×42%

x×95%×42% - x×95%×38% = 2850

x×95%×4% = 2850

x= 75000 votes

#### 3. Ans. B.

__Solution:__In 80 liter mixture, Milk=64 liter, Water=16 Liter

Let milkmen sold X liter mixture, then

5(64-x×80%) = 12(16-x×20%+8)

5×64 - x×80%×5 = 12×16 - x×20%×12+12×8

320 – x ×400% = 192 - x×240% + 96

320-192-96 = x×400% - x×240%

32 = x×160%

x = 20 Liter

#### 4. Ans. C.

__Solution:__Let Aman's annual salary = X, Bablu's annual salary = Y, Chintu's Annual salary = Z

X×40% = Y×15%

Y= X×40/15

X/12×3 = Z/12×2

Z= 6/4×X

X : Y : Z = X : X×40/15 : 6/4×X

= 6:16:9

#### 5. Ans. D.

__Solution:__Total votes = x

Invalid votes = x×5%

Valid votes = x×95%

A's votes = x×95%×38%

B's votes = x×95%×20%

C's votes = x×95%×42%

x×95%×42% - x×95%×38% = 2850

x×95%×4% = 2850

x= 75000 votes

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