Question
A man invests 'x'% of his monthly salary of Rs. 48,000
at an interest rate of 12.5% simple interest. After 4 years, the interest earned amounts to Rs. 10,800. Determine the value of 'x'.Solution
According to question, {(x% of 48000) × 12.5 × 4}/100 = 10800 (480x × 50)/100 = 10800 240x = 10800 x = 45 So, the value of ‘x’ = 45%
A shopkeeper priced an article at 75% above its cost price and offered a 30% discount on it during the sale. Alternatively, if he had applied two consec...
In an election between two candidates, winner got 40% of total valid votes. If total number of votes cast were 1700 out of which 10% were invalid, then ...
The square roots of the complex number z=3+4i are:
24 × 25 – 375 + 5² = 25% of ? + 2.5% of 6000
A sphere is inscribed in a cylinder. The radius of the cylinder is 7 cm. What is the volume of the sphere?
Compute P(AǀB), if P(B) = 1.0 and P(A∩B) = 0.64
Two years from now, a father's age will be twice the age his son was two years ago. Additionally, four years ago, the ratio of the father's age to the s...
6 mangoes are bought for Rs 24 and 3 mangoes are sold for Rs 18. Find the percentage profit or loss.
Aman invested Rs. 13,000 in a scheme offering simple interest of 20% p.a. For how many months should he keep his money invested in the scheme if he wish...
A boat can travel 36 km upstream in 6 hours. The same boat can travel 63 km downstream in 3 hours. What is the speed of the boat in still water?
Relevant for Exams:
