Question
Find the ratio between students passed in English and
Economics, if the students passed in Economics is increased by 42?Solution
Students passed in English = 2400 × 28% = 672 Students passed in Economics = 2400 × 14% = 336 After increasing 42 students= 336 + 42 = 378 Required ratio = 672:378 = 16:9
A number is initially increased by 37.5% and then reduced by 40%. The final value obtained after these changes is 6,270. Determine 80% of the original n...
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The value of
What is the remainder when 7³⁵ is divided by 5?
What is the value of 1² + 3² + 5² + 7² + 9² ................ 19²?
A student was required to calculate 9/20 of a number, but by mistake he calculated 11/20 of it. His answer exceeded the correct one by 65. Find the number.
The smallest number 'Z' which when divided by 16, 24, and 48 leaves 3 as the remainder in each case. Find the value of ('4Z' + 7).
One-fourth of a number is 70. What will 40% of that number?
...Find the average of the cubes of the first 7 natural numbers.
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