PQRS is a square whose side is 16 cm. What is the value of the side (in cm) of the largest regular octagon that can be cut from the given square?
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X can finish 25% of a work in a day. Y can do 12.5% of the same work in a day. In how many days, will both of them finish the work together?
The mean of 10 observations is 13. Two more observations are included and the new mean becomes 14. The mean of two new observations is
If a - b = 1 and ab = 6, then what is the value of a3- b3?
What is the value of 143 + 163 + 183 + ... + 303?
If x2+1x2 = 98, then x3+1x3 = ?
Product of 6ab, 3b and 4a is
A boy buys 5 pencils at Rs 3 each, 3 erasers at Rs 2 each and 3 sharpeners at Rs 5 each. What is the average expenditure (in Rs) per article?