Question
Heena decided to save 15% of her salary as fixed
deposit. Later, she changed her mind and saved Rs 4800 which was 80% of what she had decided earlier. How much is Heena’s salary?Solution
Let Heena’s salary be Rs x. Now, according to the question, 80% of 15% of x = 4800 ∴ x = 4800 /0.8 × 0.15 X = 40000
There was the leakage in the refined container. If 8 litre of refined is leaked out per day then it would have lasted for 20 days and if the leakage was...
- Pipe 'A' is twice as efficient as pipe 'B'. Pipe 'C', which is one-third as efficient as pipe 'B', can fill a tank alone in 27 hours. Find difference betwe...
A tank has two pipes, Pipe A and Pipe B. Pipe A fills the tank in 10 hours, while Pipe B fills it in 15 hours. Pipe C can empty the tank in 30 hours. If...
Pipe ‘A’ can fill a tank in 20 hours while pipe ‘B’ takes 25 hours to empty it. Pipe ‘A’ is opened alone when the tank was empty and after 1...
Pipe ‘A’ and pipe ‘B’ can fill a cistern in 15 minutes and 36 minutes respectively. Pipe ‘C’ alone can empty the cistern in 12 minutes. If a...
Pipe A can fill a tank in 10 hours, whereas pipe B can empty the same tank in 12 hours. If the two pipes are operated alternately for one hour each, sta...
A boy is supposed to distribute Rs.3600 among his three friends P, Q and R in the ratio of 3:2:5 respectively, but mistakenly he distributed in the rati...
Pipe A can fill a tank in 45 minutes while pipe B can fill it in ____ minutes. There’s a leak in the tank which can empty it in _____minutes. When bot...
Pipe X can empty a completely filled tank in 60 hours. Pipe Y and X together can fill an empty tank completely in (z+6) hours. The efficiency of pipe Y ...
An inlet pipe can fill a tank in 10 hours, whereas an outlet pipe can empty the same tank in 25 hours. Find the time taken by two such inlet pipes and o...
Relevant for Exams:
