Question
Some clouds are not blues. Some rains are skies.
In the given question, a set of conclusions is given. There are five options comprising of three or more statements. You need to choose the option that contains the set of statements from which the given conclusions logically follow.Solution
All clouds are skies (A) + No sky is a blue (E) ⇒ No cloud is a blue ⇒ conversion ⇒ Some clouds are not blues(O). Some rains are clouds(I) + All clouds are skies(A) ⇒ Some rains are skies(I). Hence, option 4 is correct.
A alone can complete a piece of work in 15 days, and B alone can complete it in 20 days. They work together, but every third day B does not work. In how...
- 14 chefs can cook 21 meals in 7 hours. How much time will 10 chefs take to cook 30 meals?
Anu can finish 25% of an assignment in 10 days, whereas Tanya can do 30% in 12 days. Anu works on it for 16 days and leaves. How long will Tanya take to...
A, B and C alone can complete a work in 24, 48 and 32 days respectively. All of them started working together but after 2 days from start A left the job...
P and Q can complete a work in 20 days and 30 days, respectively. P, Q and R together can complete the work in 10 days. If R get a total wage of Rs. 480...
Three pipes A, B and C can fill/empty a tank. A can fill it in 12 hours, B in 15 hours, and C can empty a full tank in 20 hours. All three pipes are ope...
A can fabricate a divider in 10 days , while B alone can assemble it in 12 days, If they construct it together and get an installment of Rs 2200, then f...
- ‘R’ completes a job in 10 days. ‘S’ is twice as efficient as ‘R’. How much time will they take to complete 120% of the work together?
9 children can complete a piece of work in 360 days. 18 men can complete the same piece of work in 72 days and 12 women can complete the piece of work i...
Ram, Ankit and Shivam together can do a piece of work in 10/3 days. Ram could do it alone in 6 days and Ankit could do it alone in 12days. In how many d...