Question
An investment of ₹21,475 grows to ₹30,924 in two
years when interest is compounded annually at a rate of 'r%' per annum. What is the value of the interest rate 'r'?Solution
ATQ; 30924 = 21475 X {1 + (r/100)}2 Or, {1 + (r/100)}2 = (36/25) Or, 1 + (r/100) = (6/5) Or, (r/100) = (6/5) - 1 Or, (r/100) = (1/5) So, r = 20
How many pairs of letters are there in the word "TORMANT" which has as many letters between them (both forward and backward) in the word as in the Engli...
If it was Friday on 12th Jan, 1886 what was the day on 22th Jan, 1889 ? ...
How many such digits are there in the number 86732459 each of which is far away from the beginning of the number as when the digits are arranged in desc...
- If all the digits of the number 9658437215043 are arranged in descending order from the left end, then what will be the sum of the 2nd, 3rd, 5th, 6th, and ...
If in the number '526215743', 1 added to all the odd numbers, then what is the sum of the digits which are repeating more than two times in the new num...
In the word ‘PEDIATRICIAN’ all consonants are written as their preceding letter and all vowels are written as their succeeding letters. Now all le...
How many pairs of letters are there in the word “ARROGANT” which has as many letters between them in the word as in the alphabetical series?
How many pairs of letters are there in the word ‘KEROSENE’, which has as many letters between them (in only forward direction) in the word as in the...
If in the number 67486463, the digits at the odd position are increased by 1 and, the digits at the even position are decreased by 2 from the left end a...
If we arrange all the vowels of the word “DESPERATE’” in alphabetical order first and then arrange all the consonant in alphabetical order as per...
Relevant for Exams:
