रॉजर्स स्ट्रेंथ इंडेक्स फॉर्मूले के अनुसार, यदि एक एथलीट 7 पुल-अप और 8 पुश-अप करता है, उसका वजन 160 पाउंड है और ऊंचाई 68 इंच है, तो उसकी बांह की ताकत (arm strength) का परिकलित मान क्या होगा?

The ratio of male to female population of a town in 2020 was 7 : 5 and the total population in 2020 was 36,000. If the male population _____ and the female population _____ as compared to the previous year, then the total population of the town becomes 39,600 in 2021. Which of the following options make the statement true? A. increased by 10%, increased by 10% B. increased by 20%, decreased by 10% C. decreased by 10%, increased by 25%

Evaluate the following two quantities to find the relationship between them: Quantity I: A train 'P' crosses a pole in 15 seconds and a platform of length 768 metres in 39 seconds. Another train 'Q' has a length equal to one-third of the length of train 'P' and its speed is 50% more than that of train 'P'. If 'T' is the time taken in seconds by train 'Q' to completely cross train 'P' while travelling in the same direction, find the value of 'T'. Quantity II: The speed of a stream is (z + 1) km/h, where 'z' is the smallest two-digit prime number. The time taken by a boat to cover 126 km downstream and 150 km upstream is 4 hours. If the time taken by the boat to cover 48 km in still water is 'b' minutes, find the value of 'b'.