परीक्षा गुरू हिन्दी का प्रथम उपन्यास था जिसकी रचना भारतेन्दु युग के प्रसिद्ध नाटककार लाला श्रीनिवास दास ने 25 नवम्बर,1882 को की थी।
‘A’ can do a piece of work in 8 days. ‘B’ can do 40% of the same work in 16 days. If they work together for the entire time and get paid Rs.1500...
Some Category of workers can complete a decided project in 20 days. However, due to some unpredicted situation, 5 workers were absent. That’s why, the...
'Akshay' alone takes 18 days to finish a work while 'Bhim' alone takes 24 days to finish the same work. If 'Akshay' and 'Bhim' work on alternate days st...
Pipe ‘A’ and pipe ‘B’, together can fill 40% of a tank in 6 hours while pipe ‘C’ takes 35 hours to empty it. Pipe ‘A’ and pipe ‘B’ w...
‘A’ alone can complete a work in 65 hours. ‘A’ started the work alone and left after working on it for 40 hours. If ‘B’ completed the rest o...
Ashish and Anil can do a piece of work in 10 days and 15 days respectively. Ashish completed 40% of the work. Find the time taken by Anil to complete th...
Sam and John can complete a piece of work in 8 days and 12 days respectively. They work together but after 2 days, Sam leaves. John finishes the remaini...
P’s 5 days work is equal to Q’s 7 days work. If P and Q together can complete the work in 20 days then how much time Q will take to complete 75% of ...
A and B together can complete a piece of work in 25 days while A alone can complete 50% of the work in 50 days. Find the time taken by B to compl...
'P' and 'Q' can finish a piece of work in 45 days and 90 days, respectively. 'P' starts working alone, and 'Q' joins after 'r' da...
