Question
If the ratio of the sum invested and simple interest
received after 1 year is 20:9 respectively, then find the rate of interest.Solution
Let the sum invested and simple interest received be Rs.20x and Rs.9x respectively. Let the rate of investment be r% p.a. Therefore, {(20x x 1 x r)/100} = 9x => r = 45%
Find the common factor of (x2Â - 4x - 12) and (x2Â - 14x - 32).
If (5x + 2)3 + (x – 1)3 + 8(3x – 7)3 = 6(5x + 2) × (x – 1) × (3x – 7), then the value of (5x + 3) isÂ
...What is the average of the first 20 multiples of 12?
A certain number of students from school X appeared in an examination and 30% students failed. 150% more students than those from school X, appeared in ...
48 24 24 48 ? 1536
...What is the highest common factor of (x³ - x² - x - 15) and (x³ - 3x² - 3x + 9)?
If
= 2 then find Find the remainder on dividing (5x 3  + 4x 2  – 10x + 1) by (2x – 4).
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