For the following questions answer them individually
Two trains running in opposite directions cross a man standing on the platform in 25 seconds and 32 seconds respectively and they cross each other in 30 seconds. The ratio of their speed is:
The average of 50 number is 36. If two numbers, namely 63 and 65 are discarded, the average of the remaining numbers is (Correct to two decimal places)
The length and breadth of a painting is 15 cm and 10 cm respectively. A 1 cm wide border is made around the painting.
What is the area of border?
A student gets 60% of the maximum marks. If he gets 50% more than the passing mark, then the passing mark is what percentage of the maximum marks?
What should come in place of question mark (?) in the following questions?
$$1.5\times78\div0.5=?$$
Which of the following schemes of computing interest yields the maximum interest for a year?
Oranges are purchased at the rate of 7 oranges for ₹3. At what price one hundred oranges should be sold so that the profit is 33% ?
In how many years will a sum of money become sixteen times itself at 30% p.a. simple interest?
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