1. The sum of two consecutive numbers is 55, which is the largest number?
(a) 25
(b) 28
(c) 26
(d) 27
Answer : (b) 28
2. The radii of two spheres are in the ratio 2:3. What is the ratio of their surface areas?
(a) 4:9
(b) 2:3
(c) 8:27
(d) 4:6
Answer : (c) 8:27
3. What is the chance of getting a 2 [...]

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