Showing 1031–1040 of 1,106 questions
A person spends 25% of his income on rent, 20% on food, and 15% on transport. If remaining income is ₹8,000, what is his total income?
A
₹16,000
B
₹18,000
C
₹20,000
D
₹25,000
Correct Answer:
C. ₹20,000
Explanation:
Total spent = 25% + 20% + 15% = 60%. Remaining = 40% = ₹8,000. Total income = 8,000/0.40 = ₹20,000
A retailer marks up products by 50% above cost price. During a sale, he offers 30% discount on marked price. What is his profit/loss percentage?
A
5% profit
B
10% profit
C
5% loss
D
10% loss
Correct Answer:
A. 5% profit
Explanation:
Let CP = 100, MP = 150. SP = 150 × 0.70 = 105. Profit = 5%. Profit% = 5%
If x% of 480 equals 72, what percentage of 480 is 96?
Explanation:
x% of 480 = 72, so x = 15%. For 96: (96/480) × 100 = 20%
A factory's production increased from 2,000 units to 2,500 units. What is the percentage increase?
Explanation:
Increase = 2,500 - 2,000 = 500. Percentage = (500/2,000) × 100 = 25%
A's salary is 25% less than B's. By what percentage is B's salary more than A's?
A
33.33%
B
25%
C
20%
D
15%
Correct Answer:
A. 33.33%
Explanation:
Let B = 100, A = 75. B is more than A by 25 on base of 75 = (25/75) × 100 = 33.33%
Q.1036
Easy
Simple Interest
A sum becomes ₹5,500 in 3 years and ₹6,000 in 5 years at simple interest. Find the principal amount.
A
₹4,000
B
₹4,500
C
₹3,750
D
₹4,250
Correct Answer:
A. ₹4,000
Explanation:
SI for 2 years = 6000 - 5500 = 500. SI per year = 250. SI for 3 years = 750. Principal = 5500 - 750 = 4000
Q.1037
Easy
Simple Interest
What rate of simple interest per annum will ₹7,200 amount to ₹8,640 in 2 years?
A
8% p.a.
B
10% p.a.
C
12% p.a.
D
15% p.a.
Correct Answer:
B. 10% p.a.
Explanation:
SI = 8640 - 7200 = 1440. Using SI = (P × R × T)/100; 1440 = (7200 × R × 2)/100; R = 10%
Q.1038
Easy
Simple Interest
In how many years will ₹9,000 become ₹11,700 at 15% simple interest per annum?
A
1.5 years
B
2 years
C
2.5 years
D
3 years
Correct Answer:
B. 2 years
Explanation:
SI = 11700 - 9000 = 2700. Using T = (SI × 100)/(P × R) = (2700 × 100)/(9000 × 15) = 2 years
Q.1039
Easy
Simple Interest
A merchant invested ₹24,000 at 8.5% simple interest. How much interest will he earn in 4 years?
A
₹8,160
B
₹8,320
C
₹8,480
D
₹8,640
Correct Answer:
A. ₹8,160
Explanation:
SI = (24000 × 8.5 × 4)/100 = 8160
Q.1040
Easy
Simple Interest
A sum of money at simple interest becomes double of itself in 10 years. At what rate per annum is the interest charged?
A
8% p.a.
B
10% p.a.
C
12% p.a.
D
15% p.a.
Correct Answer:
B. 10% p.a.
Explanation:
If amount = 2P, then SI = P. Using P = (P × R × 10)/100; 100 = 10R; R = 10% p.a.
