A certain sum is lent at 4% p.a. for 3 years, 8% p.a. for the next 4 years, and 12% p.a. beyond 7 years. If for a period of 11 years, the simple interest obtained is ₹27,600, then the sum is (in ₹):

Directions : A bar graph showing the heights of six mountain peaks is given below. Study the bar graph and answer the questions. 

What is the respective ratio of the heights of the highest peak and the lowest peak? 

In a bag there are coins of ₹2, ₹5 and ₹10 denominations. The total number of coins in the bag is 300. If the number of coins of ₹2, ₹5 and ₹10 denominations are in the ratio of 1:2:3, then what is the total amount of money in the bag?

The greatest common factor of two co-prime numbers will be

If A: B=3: 4, B:C =2:3 then what is the value of A +B: B+C: C+A?

Let x be the least number which when divided by 8, 12, 20, 28, 35 leaves a remainder 5 in each case. What is the sum of digits of x? 

If in a triangle the circumcentre, incentre, centroid and orthocentre are at the same place, then what will that triangle be like?

For an equilateral triangle, the ratio of the in-radius and the outer- radius is