3321: Carpenter A can make a chair in 6 hours, carpenter B in 7 hours and carpenter C in 8 hours. If each carpenter works for 8 hours per day, how many chairs will be made in 21 days ?
(a) 61
(b) 73
(c) 67
(d) 79
3322: Who is Wole Soyinka ?
(A) A novel Prize winner for literature.
(B) A well-known economist
(C) A well-known industrialist owning steel plants in many parts of the world.
(D) A well-known football player
3323: Whom did Gandhiji consider his political Guru?
(a) Vinoba Bhave
(b) B. G. Tilak
(c) Gopal Krishna Gokhale
(d) Dadabhai Naoroji
3324: The release of which one of the following into ponds and wells helps in controlling the mosquitoes?
(a) Gambusia fish
(b) Snail
(c) Crab
(d) Dogfish
3325: Age of tree can be estimated by:
(a) Counting the number of concentric rings
(b) Counting the nodes and internodes of the trunk
(c) Measuring the girth of the tree trunk
(d) Counting the number of branches