If (x – 2)2 + (y + 3)2 + (z – 15)2 = 0, then what is the value of x + y + z – 5?
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What is the value of ( 1/3 + cosec30)?
Two cars travel from city A to city B at a speed of 60 and 108 km/hr respectively. If one car takes 2 hours lesser time than the other car for the journey, then the distance between City A and City B?
A 800 metres long train is running at the speed of 90 km/hr. If it crosses a bridge in 50 seconds, then what is the length (in metres) of the bridge?
Ankit runs 324 metres every day for his fitness. According to his daily routine in how many days he covers 8.1 km.
The lengths of the two diagonals of a rhombus are 5 cm and 12 cm. Find its area (in cm2)
A sum of money becomes 77/50 of itself in 18/5 years when invested at simple interest. What is the rate (in percentage) of interest per annum?
Which of the following is a reductible fraction?