A loan is to be returned in two equal yearly instalments. If the rate of interest is 10% p.a., compounded annually, and each instalment is ₹5,808, then the total interest charged in this scheme is:

The average age of six members of a family is 40 years. If the age of a guest is included, then the average age increases by 12.5%. What is the age (in years) of the guest?

Directions: Read the given pie and table carefully and answer the following questions.

The pie chart shows the percentage distribution of people who found COVID – 19 positive in four major cities of India from 1^st July to 31^st August 2020 and the table shows the number of people who tested positive in July from these cities.

If the recovery rate is 70% and the death rate is 10% of total tested cases in Chennai at the end of July. How many active cases are on 1st August, if no case is found on that day?

The ages of Bholu and Nitesh are in the ratio of 8 : 7 respectively. After 6 years, the ratio of their ages will be 19 : 17. What is the difference in their ages?

 The monthly income of two persons are in the ratio 2: 3 and their monthly expenses are in the ratio 5: 9. If each of themn saves ₹ 600 per month, then their monthly incomes are

PK is the median and M is a centroid of triangle PQR. If PK is 15 cm, then find length of PM?

If $${cos^2θ\over cot^2θ-cos^2θ}=3,$$ where $${0^0<θ<90^0}$$ then the value of θ is:

Find the greatest value of k for which the 6-digit number 24312k is divisible by 6.