1. How much is 80% of 40 is greater than 4/5 of 25?
A. 4
B. 6
C. 9
D. 12
Answer: D
(80/100) * 40 “ (4/5) * 25
32 - 20 = 12
2. If 12.5% of a number is 12.5 ×1.25, then find the 200% of that number?
A. 2.5
B. 1.25
C. .75
D. 1.75
Answer: A
According to the question,
Let the required number be x
12.5% of x = 12.5×1.25
or, 25x/2 = 25/2 × 25/20
or, x= 25/20= = 5/4
So, 200% of 5/4= 200/100× 5/4= 10/4= 2.5
Hence, the correct option is A.
3. After decreasing 24% in the price of an article costs Rs.912. Find the actual cost of an article?
A. 1400
B. 1300
C. 1200
D. 1100
Answer: C
CP* (76/100) = 912
CP= 12 * 100 => CP = 1200
4. 75% of a number is added to the number itself then the result is 35% of 200.Then find the number?
A. 20
B. 30
C. 40
D. 50
Answer: C
Let the number be X.
According to the question,
75%x + x = 35%×200
Or, 3x/4 +x = 7/20×200
Or, 7x/4 = 70
Or, x = 70×4/7 = 40
5. How much is 80% of 40 is greater than 4/5 of 25?
A. 4
B. 6
C. 9
D. 12
Answer: D
(80/100) * 40 - (4/5) * 25
32 - 20 = 12
6. Find the successive percentage of 6.66% and 3.33%?
A. 65/ 25%
B. 63/9%
C. 67/25%
D. 92/9%
Answer: D
As we know that successive percentage of a and b = (a + b + ab/100)%
According to the given data in the question,
Here, a =6.66% = 100/15= 20/3 and b= 3.33%= 10/3
Now,
(20/3+ 10/3 + 20×10/900)% = (20/3 + 10/3 + 2/9) %= 92/9%
Hence, the correct option is D.
7. 40% of a number is more than 20% of 650 by 190. Find the number?
A. 600
B. 700
C. 800
D. 900
Answer: C
(40/100) * X - (20/100) * 650 = 190
2/5 X = 320
X = 800
8. 60% of a number is added to 120, the result is the same number. Find the number?
A. 300
B. 200
C. 400
D. 500
Answer: Option A
(60/100) * X + 120 = X
2X = 600
X = 300
9. If 25% of X is added to 80% of X then the results becomes to 30% of 70 then find the value of 300 % of X?
A. 50
B. 40
C. 60
D. 80
Answerer: C
According to the question,
25% of X is added to the 80% of X then the result
becomes to 30% of 70,
25% of x + 80 % of x = 30 % of 70
Or,x/4 +4 x/5 = 30×300/100 = 21
Or,5x + 16x/20 = 21
21x = 21×20
So, x = 20
Now,
Value of 300% of 20 = 300×20/100 = 60.
Hence, the correct option is C.
10. 85% of a number is added to 24, the result is the same number. Find the number?
A. 150
B. 140
C. 130
D. 160
Answer: D
(85/100) * X + 24 = X
3X = 480
X = 160
11. Ram scored 120 marks in an exam and failed by 5% and pass percentage of the exam is 35%. Find the maximum marks of the exam.
A. 450
B. 400
C. 360
D. 280
Answer: B
Marks scored by Ram = 120
Ram failed by 5%
35% - 5% = 120
30% = 120
Total marks of the exam = 120 * 100/30 = 400
12. In an exam, Rahul scored 440 marks and David scored 68% marks. If Rahul scored 20% more than that of David, then find the maximum marks in the exam?
A. 800
B. 500
C. 600
D. 700
Answer: B
The maximum marks in the exam = x
x * (68 + 20)% = 440
x * 88/100 = 440
x = 440 * 100/88
x = 500
13. Ratio of the salary of Mano and Shyam is 4:5 and the salary of Mano is increased by 20% and the salary of Shyam is decreased by 30%. If the increased salary of Shyam is Rs.7000, then find the original salary of Mano.
A. Rs.12000
B. Rs.15000
C. Rs.6000
D. Rs.8000
Answer: D
Ratio of increased salary of Mano and decreased salary of Shyam = 4 * 120/100:5 *
70/100 = 48:35
Increased salary of Mano = 7000 * 48/35 = 9600
Original salary of Mano = 9600 * 100/120 = Rs.8000
14. Out of the total number of people in a town, 20% of the people who did not cast their votes and a candidate got 56% of the vote and won the election by 480 votes. Find the total number of people in the town.
A. 5000
B. 4500
C. 6000
D. 7500
Answer: A
Winning candidate got 56% vote and the losing candidate got 44% vote
56% - 44% = 480
12% = 480
1% = 40
Total number of people who casted their votes = 40*100 = 4000
Total number of people who casted their votes = 80%
Total number of people in the town = 4000 * 100/80 = 5000
15. 50% of y is 11 more than 30% of x and the sum of 20% of x and 25% of y is 16. Find the difference between the value of x and y.
A. 20
B. 15
C. 5
D. 10
Answer: D
50/100 * y = 11 + 30/100 * x
5y – 3x = 110 ---- (1)
20/100 * x + 25/100 * y = 16
5y + 4x = 320 ---- (2)
From (1) and (2),
-7x = -210
x = 30
16. Priya spends 25% of his monthly salary on food, 50% of the remaining salary on rent and the remaining in savings. If the difference between the monthly salary spends on food and saving is Rs.1800, then find the monthly salary of Priya?
A. Rs.12000
B. Rs.14400
C. Rs.10000
D. Rs.15000
Answer: B
The monthly income of Priya = z
The total amount spends on food = z * 25/100 =
z/4
The total savings = z * 75/100 * 50/100 = 3z/8
3z/8 – z/4 = 1800
3z – 2z = 14400
z = Rs.14400
17. The difference between 54% of a number and 26% of the same number is 22526. What is 66% of that number?
A. 53097
B. 48372
C. 51218
D. 49124
Correct Option: A Let the number be 'x', then x × 54 – x × 26 = 22526 100 100
or, x × 28 = 22526 ⇒ x = 22526 × 100 = 80450 100 28
∴ 66% of 80450 = 66 × 80450 = 53097. 100
Hence, option (A) is correct.
18. Meena invests Rs 72318, which is 17% of her annual income, in mutual funds. What is her monthly income?
A. Rs. 33600
B. Rs. 32990
C. Rs. 35450
D. Rs. 28980 Correct Option: C Let the monthly income be x ∴ 17 of x = 72318 100 12
or, x = 72318 × 100 = 35,450 17 × 12
Hence, option (C) is correct.
19. Virat spent 14% of his income on electricity bills, 28% on rent and 18% on shopping. ¼ of the remaining amount is Rs. 5125. How much did he spend on electricity bill?
A. Rs. 8750
B. Rs. 8270
C. Rs. 6270
D. Rs. 7175 Correct Option: D
Let the initial amount be Rs. 100% Then, 1 [100 – (14 + 28 + 18)]% ≡ 5125 4
⇒ 1 × 40% ≡ 5125 4
⇒ 10% ≡ 5125 (Remaining amount) 14% ≡ x (Electricity amount) On cross multiplication, we get = x = ( 14 × 5125 ) = ₹ 7175. 10
20. The number of seats in an auditorium is increased by 25%. The price of a ticket is also increased by 12%. Then the increase in revenue collection will be:
A. 38%
B. 40%
C. 49%
D. 51% x is the percent increase in the no. of seats = 25% y is the percent increase in the price of a ticket = 12% By the net% effect, we get Net% effect = ( 25 + 12 + 25 × 12 ) % 100
= (37 + 3)% = 40% So, the revenue will increase by 40%. Hence, option (B) is correct
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