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A solid sphere of diameter 17.5 cm is cut into two equal halves. What will be the increase (in cm2) in the total surface area?
A natural number, when divided by 5,6,7 or 8,leaves a remainder of 4 in each case. what is the smallest of all such numbers?
Sum of a fraction and thrice of its reciprocal is 73/20. What is the fraction?
Find the value of 27a3 + 1a3, if 9a2 + 1a2 = 43
In the following question, select the related number from the given alternatives. 47 : 57 : : 93 : ?
The ratio between Ram's age and Rahim's age is 10:11. What is the age of Rahim in percentage of Ram's age
If 2+x+2-x2+x-2-x=2, then the value of X is