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Q51. A person needs 6 steps to cover a distance of one slaB. if he increases his foot length(step length) by
3 inches he needs only 5 steps to cover the slabs length. what is the length of the each slab?
A. 31 inches
B. 24 inches
C. 26 inches
D. 43 inches
Ans. A
Q52. A garrison of 3300 men has provisions for 32 days, when given at a rate of 850 grams per heaD. At the end of 7 days a
reinforcement arrives and it was found that now the provisions will last 8 days less, when given at the rate of 825 grams
per heaD.How, many more men can it feed?
A. 1700 men
B. 1800 men
C. 2000 men
D. 2500 men
Ans. A
Q53. From 5 different green balls, four different blue balls and three different red balls, how many combinations of balls can
be chosen taking at least one green and one blue ball?
A. 3720
B. 3890
C. 3520
D. 3600
Ans. A
Q54. Three pipes, A, B, and C are attached to a tank. A and B can fill it in 20 and 30 minutes respectively while C can empty
it in 15 minutes.If A, B & C are kept open successively for 1 minute each, how soon will the tank be filled?
A. 167 minutes
B. 177 minutes
C. 188 minutes
D. 196 minutes
Ans. A
Q55. A person walking 5/6 of his usual rate is 40 minutes late. What is his usual time?
A. 6 hours 20 minutes
B. 4 hours 40 minutes.
C. 3 hours 30 minutes.
D. 3 hours 20 minutes.
Ans. D
Can you provide the explanation too?