Easy
861 likes
Question
The annual interest is 1\over16 part of its principal, then determine the interest of ₹ 690. The annual interest is for 8 months.
WBBSE
Class X
Mathematics
Simple Interest
02 Mark
2022
Answer
Principal (P) = ₹ 690
Simple interest = 1\over16 × 690 = ₹ 43.125
Interest for 8 months = 8\over12 × 43.125
= ₹ 2\over3 × 43.125
= ₹ 28.75
Related Questions
More WBBSE Easy level questions
1/12
Easy
545
Q.
If the annual rate of simple interest decreases from 5.5% to 4.5%, then the total...
A.
Let the capital be x. SI for 1 year = Decrease in...
View Question
Easy
804
Q.
Find the rate of simple interest per annum when the interest of some money in...
A.
Let the principal be P SI = of principal = P time...
View Question
Moderate
672
Q.
What is the rate of simple interest per annum, when the interest of some money...
A.
Given: In 10 years, interest = of the amount. Let principal =...
View Question
Easy
622
Q.
Simple interest of ₹ Y for Z month at the rate of X% per annum...
A.
(a) ₹ XYZ/1200 Explanation: Simple Interest formula: SI = (P × R...
View Question
Easy
669
Q.
In how many years a sum of money at 6 \frac{1}{4}% simple interest per annum...
A.
Principal = P rate = 6 % = % Amount = 4P...
View Question
Easy
988
Q.
If the amount of ₹ 180 after one year will be ₹ 198, then the...
A.
10 % Explanation Simple Interest = 198 - 180 = Rs 18...
View Question
Moderate
876
Q.
At the same rate of simple interest in percent per annum, if a principal becomes...
A.
Let Principal = P, rate = r% per annum. Amount after 7...
View Question
Moderate
679
Q.
After retirement Gobinda Babu got ₹ 5,00,000. He deposited a part of it in post...
A.
Let post office deposit = x and bank deposit = 500000 −...
View Question
Easy
542
Q.
Find the mean proportion of xy² and xz²
A.
Mean proportion of two numbers a and b is given by: Substituting...
View Question
Easy
857
Q.
The ratio of portion of profit of two friends is 1/2 : 1/3. Find the...
A.
Let the capital investments of the two friends be C₁ and C₂....
View Question
Easy
958
Q.
If x be the number of edges of a parallelepiped and y be the number...
A.
A parallelepiped has 12 edges and 6 faces so x + y...
View Question
Easy
871
Q.
If sin (θ + 30°) = cos 15°, then find the value of cos 2θ.
A.
sin (θ + 30°) = cos 15° or, sin (θ + 30°)...
View Question