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Rs. 1500 are divided into two parts such that if one part is invested at 6 % and the other at 5 % the whole annual interest from both the sum be Rs. 85. How much lent at 5 %?

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Important Questions on Arithmetic Maths

HARD
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IMPORTANT
Police Constables>Chapter 3 - Arithmetic Maths>SIMPLE & COMPOUND INTEREST>Q 19
The simple interest on a sum of money is 49 of the principal and the number of years is equal to the rate percent. Find the rate and the time.
HARD
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IMPORTANT
Police Constables>Chapter 3 - Arithmetic Maths>SIMPLE & COMPOUND INTEREST>Q 20
In what time will Rs. 4000 lent at 3% annum on simple interest earn as much interest as Rs. 5000 will earn in 5 years at 4% per annum on simple interest.
MEDIUM
CISF Head Constable
IMPORTANT
Police Constables>Chapter 3 - Arithmetic Maths>SIMPLE & COMPOUND INTEREST>Q 21
In how many years will a sum money doubles itself at 5% per annum simple interest.
MEDIUM
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IMPORTANT
Police Constables>Chapter 3 - Arithmetic Maths>SIMPLE & COMPOUND INTEREST>Q 22
A sum of money becomes triple itself in 5 years at simple interest. In how many years will it become six-time at the same rate? 
MEDIUM
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IMPORTANT
Police Constables>Chapter 3 - Arithmetic Maths>SIMPLE & COMPOUND INTEREST>Q 23
A sum of money becomes double itself in 8 years at simple interest. How many times will it become in 10 years at the same rate?
EASY
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IMPORTANT
Police Constables>Chapter 3 - Arithmetic Maths>SIMPLE & COMPOUND INTEREST>Q 24
A part certain sum of money is invested at 9% per annum and the rest at 12% per annum. If the interest earned in each case for the same period is equal. Then the ratio of the sums invested is:
MEDIUM
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IMPORTANT
Police Constables>Chapter 3 - Arithmetic Maths>SIMPLE & COMPOUND INTEREST>Q 25
The equal amounts of money are deposited in two banks each 15% per annum for 3.5 years and 5 years respectively. If the difference between their interest is ₹144. Find the sum?  
EASY
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IMPORTANT
Police Constables>Chapter 3 - Arithmetic Maths>TIME & DISTANCE>Q 1
Express a speed of 36 kmph in a m/s?