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If I is the incentre of ΔABC, then ∠ BIC = 90 0 + ∠ BAC/2 ∠ BIC = 90 0 + ∠ BAC /2 ∠ BIC = 900 + 65/2 ∠ BIC = 900 + 32.50 ∠ BAC = 122.50
Two pipes A and B can fill a tank in 24 min., and 32 min, respectively. If both the pipes are opened simultaneously, after how much time B should be clo...
‘A’ can do a piece of work in 12 days. ‘B’ can do 60% of the same work in 18 days. If they work together for the entire time and get paid Rs.154...
Working in a shift of 5 hours 39 workers take 12 days to build a stretch of highway. In how many days will 30 workers working 6 hours a day, complete th...
'A' can complete a project in 15 days but worked only the first 4 days. 'B', who is 80% as efficient as 'A', takes over. How long does 'B' need to finis...
Anil and Ashish receive Rs.1500 for work of 5 days. If Anil is 4 times efficient than Ashish, then find the daily wage received by Ashish.
Two people, A and B, working separately can sanitize a building in 6 and 10 hours, respectively. They work in stretches of one hour alternately. If A be...
'x' men can complete a work in 60 days. If there had been 20 more men, the work would have been completed in 30 days. Find the value of 'x'.
A can finish a task in 32 days, while B can complete the same task 8 days sooner than A. If they together earn a total of Rs. 1050 for the job, how much...
Anil and Ashish receive Rs.1800 for work of 6 days. If Anil is 3 times efficient than Ashish, then find the daily wage received by Ashish.
Anuj can complete a certain piece of work in 25 days by taking rest for 9 hours daily. If he rests twice as much as before and also works twice as fast...
