Answer: D) diligence is more important than brightness. Explanation: Parallel construction error in the original statement. A similar form is required on each side of the comparison. " Diligence - brightness ".

Answer: A) Both a and b follows Explanation: The police ought to find out the lackenings in existing security arrangements and make up for these inadequacies to strengthen security and thus prevent criminal activities in the forthcoming festival. So, both a and b follow. Arresting the known criminals does not ensure safety, for a novice can also indulge in crime. So, c does not follow.

Answer: B) Africa Explanation: We know that, there are 7 continents in the world. They are : Asia, Africa, Australia, North America, South America, Europe and Antarctica.   Africa - 53 countries Asia - 48 countries Europe - 45 countries Antarctica - 0 countries   Hence, the continent Africa has most number of countries with 53 countries and in second place Asia has 48 , third Europe has 45 countries.