1406: If the product of two numbers is 320 and their ratio is 1 : 5, what is the difference between the squares of these two numbers ?
(a) 1024
(b) 1365
(c) 1536
(d) 1635
1407: Which one of the following pairs of primitive tribes and places of their in-habitation is not correctly matched ?
(a) Buksa : Pauri-Garhwal
(b) Kol : Jabalpur
(c) Munda : Chhotanagpur
(d) Korba : Kodagu
1408: Phenylketonuria is an example of an in born error of metabolism. This error refers to
(a) hormonal overproduction
(b) atrophy of endocrine glands
(c) inherited lack of an enzyme
(d) non-disjunction
1409: A conveyer belt delivers baggage at the rate of 3 tons in 5 minutes, and a second conveyer belt delivers baggage at the rate of 1 ton in 2 minutes. How much time will it take to get 33 tons of baggage delivered using both the conveyer belts ?
(a) 25 minutes and 30 seconds
(b) 30 minutes
(c) 35 minutes
(d) 40 minutes and 45 seconds
1410: In a question of a test paper, there are five items each under List-A and List-B. The examinees are required to match each item under List-A with its corresponding correct item under List-B. Further, it is given that:
(i) no examinee has given the correct answer
(ii) answers of no two examinees are identical
What is the maximum number of examinees who took this test?
(a) 24
(b) 26
(c) 119
(d) 129