Question
Calculate the volume of a sphere whose diameter measures
21 cm. (Take π = 22/7)Solution
Volume of sphere = (4/3) X π X radius3 Radius of the given sphere = (21/2) cm So, required volume = (4/3) X (22/7) X (21/2) 3 = 4851 cm3 Hence, option a.
If the numerator of a fraction is increased by 300% and the denominator is increase by 600%.The resultant fraction is 1/2. What was the original fraction?
In a school a total of 4,900 pencils were distributed among all the students in the school. The pencils were distributed in such a way that number of pe...
Four numbers P, Q, R, S satisfy: Q is 25% less than P, Q:R = 9:10, and R:S = 5:8. If the average of P, Q, R, S is 94, find (S – P).
What will be remainder if 29088/ 6?
- Find the least perfect square number divisible by 8, 18, 27, and 40. Then, calculate the remainder when it is divided by 121.
The sum of the first 163 terms of a GP is equal to the sum of the first 161 terms in the same GP. If the 117th term in the same GP is 985, then what wil...
The largest three-digit number which gives the same remainder 3 when divided by 4, 9, 6 is:
The numerator of a fraction is 7 less than its denominator. If the numerator is decreased by 2 and the denominator is increased by 5, then the denominat...
- The product of two positive numbers is 300. If one of the numbers is five times the other, then find the difference between the given two numbers.
- A student mistakenly multiplied a number by 5.6 instead of 0.56. His answer exceeded the correct one by 2800. What was the original number? (Calculate appr...
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