The sum of 10 terms of the arithmetic series is 390. If the third term of the series is 19. Find the first term
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If α and β are the roots of equation x2 – x + 1 = 0, then which equation will have roots α3 and β3?
Reflection of the point (4,-5) in the y-axis is
Find the value of 532+108
A watch is sold at a discount of 62.5%. If the marked price of the watch is Rs 16320, then what is the selling price (in Rs) of the watch?
ABCD is a cyclic quadrilateral ∠DBA=50° and ∠ADE=33°, then the measurement of ∠BCD is
At 5% simple interest per annum a certain sum yields a total amount of Rs. 2,790 at the end of 3 1/4 years. The sum invested was
A wooden bowl is in shape of a hollow hemisphere of internal radius 8 cm and thickness 1 cm. Find the total surface area of the bowl?