Question
Some amount out of Rs.12000 was lent out at 10% per
annum and the rest amount @ 16% per annum and thus in 5 years the total interest from both the amount collected was Rs.7200. What is the amount which was lent out at 10% per annum?Solution
Overall rate of interest = (12000×R×5)/100 = 7200 R = 12% Using allegation method, 
Money lent @ 10% = 2/3 × 12000 = Rs. 8000
The total of three numbers, A, B, and C, is 2450. The second number, B, is 4/7 greater than the first number, A. The third number, C, exceeds A by 375. ...
An integer with positive sign (+) is always greater than
The sum of three consecutive natural numbers each divisible by 5, is 255. The largest among them is:
On dividing (5757 + 57) by 58, the remainder obtained is ‘R’. Find the value of (R – 5).
- Find the median of the following observations:
25, 30, 35, 45, 40, 55, 50 Find the value of 6 + 66 + 666 + 6666 +hellip;hellip;hellip;hellip;.. + n terms.
1. `(2)/(3) ((10 xx (10^(n)- 1))/9 - n)`
2.
Two numbers M and N are in the ratio 8:11 respectively. If 32 is added to M, the result becomes 80% of N. Find the square of the difference between M an...
Find the median of the following observations:
25, 30, 15, 40, 20, 35, 50How many two-digit even numbers can be formed using the digits 3, 4, 5, 7, and 8, ensuring that no digit is repeated?
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