1.
Enter the average of 10, 30, and 50.
#Numerical answer type
Answer and explanation
Answer: 30
Average = .
ObjectiveMcq
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7 practice sets · Page 1 of 1
Enter the average of 10, 30, and 50.
Average = .
What is the compound interest on ₹10000 at 10% per annum for 2 years, compounded annually?
₹2000
₹2100
₹1900
₹2200
A = P(1 + R/100)^T = 10000 × (1.1)² = 10000 × 1.21 = ₹12100. CI = 12100 – 10000 = ₹2100.
What is the simple interest on ₹5000 at 8% per annum for 3 years?
₹1000
₹1200
₹1500
₹800
SI = (P × R × T) / 100 = (5000 × 8 × 3) / 100 = ₹1200.
A shopkeeper buys an article for ₹800 and sells it for ₹1000. What is the profit percentage?
20%
25%
15%
10%
Profit = 1000 – 800 = ₹200. Profit% = (200/800) × 100 = 25%.
A train travels 360 km in 4 hours. What is its speed in km/h?
80
90
100
72
Speed = Distance / Time = 360 / 4 = 90 km/h.
If A : B = 3 : 5 and B : C = 4 : 7, what is A : C?
12 : 35
3 : 7
4 : 5
15 : 28
A : B = 3 : 5, B : C = 4 : 7. Make B common: A : B = 12 : 20, B : C = 20 : 35. So A : C = 12 : 35.
What is 15% of 240?
30
36
40
32
15% of 240 = (15/100) × 240 = 36.