A spaceship travels at 810 km/hr. How many metres does it travel in 1/5th of a second?
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A bus travels 720 km in 20 hours. Calculate its average speed in meters/second.
X and Y undertook to do a piece of work for Rs 5400. X alone could do this work in 18 days and Y alone could do this work in 24 days. With the assistance of Z they finished the work in 8 days. What is the share (in Rs) of Z?
Find the odd word/letters/number pair from the given alternatives.(A) 5261 (B) 4354 (C ) 7283 (D) 1829
If θ is positive acute angle and 4sin2θ = 3, then the value of tan θ - cot θ/2 is
Choose the word is least like the other words in the group
Inn, Hostel, Motel are the places for stay. But Club is not.
If the radius of a circle is increased by 16%, its area increases by
If a--b = 4 and ab = 45, find the value of a3 - b3
(a – b)2 = a2 + b2 -2ab ⇒ 16 = a2 + b2 – 90 ⇒ a2 + b2 = 106 a3 – b3 = (a – b) (a2 + b2 + ab) ⇒ a3 – b3 = 4 X (106 + 45) ⇒ a3 – b3 = 4 X 151 ⇒ a3 – b3 = 604