#Sunday स्पेशल । 4 अरबपतियों की 4 आदतें । 1st Rich Habit :- Elon Musk . #shorts

Dev can hit a target 3 xx in 6 shorts Pawan can hit the target 2 xx in 6 shorts and Lakhan can hit the target 4 xx in 4 shorts. What is the probability that at least 2 shorts hit the target (2)/(3) (b) (1)/(3) (c) (1)/(2) (e) None of these

A body undergoes a displacement of 3 m in the 1st second, 4 m in the 2nd second, 5 in the 3rd second and so on. The body is moving with a/an

Sunrise Ltd. purchased a second-hand machine for Rs 5,50,000 and spent Rs 50,000 on its repairs. Depreciation is to be provided "@" 10% p.a. following Straight Line Method. The machine is sold for Rs 4,40,000. Accounting year is financial year. Calculate the gain (profit) or loss on sale of the machine in cach of the following altcrnutive cases: Case 1 : If date of purchase is 1st April, 2015 and date of sale is 31st March, 2018. Case 2 : If date of purchase is 1st April, 2016 and date of sale is 30th September, 2018. Case 3 : If date of purchase is 1st July, 2015 and date of sale is 31st March, 2018. Case 4 : If date of purchase is 1st July, 2016 and date of sale is 30th September, 2018.

An electron jumps from the 4th orbit to the 1st orbit of hydrogen atom. Given the Rydberg's constant R=10^(5) cm^(-1) . The frequency in Hz of the emitted radiation will be