1. 'चालाक' शब्द में आक प्रत्यय है।

2. 'आक' प्रत्यय के प्रमुख उदाहरण में तैराक, चालाक, खटाक, सटाक, तड़ाक, चटाक, फटाक, फिराक, मजाक, टनाक, आदि शामिल हैं।

Answer: D) Worse Explanation: Warm and hot are in the same meaning sense , so not so good is same as worse in meaning.

Answer: B) 14 lts Explanation: To know the the measuring cylinder that can fill all the given capacities , they must be divisible by the required number. 98,182,266 all are divisible by 14 So  14 litres  is the largest cylinder that can fill all the given cylinders.                                        (or) The other method is take HCF of all given capacities i.e 98, 182 and 266.

Answer: B) 20 minutes Explanation: First send 17 and 7. After 7 minutes, 7 is at finish and 17 needs 10 more minutes to complete his travel. now send 13. After 10 minutes 17 reaches finish and 13 needs 3 more minutes to complete. now send 3. both 3 and 13 reach destination at the same time after 3 minutes. hence the time taken is 7+10+3=20 minutes.