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E + I = O*. Hence, conclusion I will not follow. Some desks are tables (I) + All tables are chairs (A) ⇒ Some desks are chairs (I) + Some chairs are benches (I) ⇒ No conclusion. Hence, conclusion III will not follow. Some desks are tables (I) + All tables are chairs (A) ⇒ Some desks are chairs (I) ⇒ Hence, conclusion III will  follow. No stool is a desk (E) ⇒ conversion ⇒ Some desks are not stools (O) ⇒ probable conclusion ⇒ Some desks may be stools (I). Hence , conclusion IV will follow. Â
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Ravi and Sunil can complete a task in 12 days and 30 days respectively. Ravi started the task alone. After how many days should Sunil join him so that t...
An elephant can do a work as fast as two horses ‘A’ and ‘B’ can do it by working together. If horse ‘A’ alone can complete the work in 38 ho...
A istwice as efficient as B and can finish a piece of work in 22 days less than B. B can finish this work in how many days?
P and Q can do a piece of work in 20 days and 12 respectively, P started the work alone and then after 4 days Q joined him till the completion of the wo...
The efficiency of A is half than that of B and C together. The ratio of the efficiency of B and C is 5 : 4. A, B and C together can do this work in 12 d...
A set of Q men can complete a work in 20 days, while (Q+4) women can complete the same work in 28 days. If 9 men and 13 women together can finish the sa...
In a factory, there are 3 machines. Machine A completes a task in 8 days, Machine B completes it in 12 days, and Machine C completes it in 15 days. If a...
3 men, 4 women and 5 boys can do a piece of work in 15 days, 20 days and 25 days respectively. For first 3 days 3 men and 2 women work together and for ...
