IBPS Government Jobs Exams Numerical Ability Boats and Streams

A boat goes 28 km downstream and while returning covered only 75% of distance that covered in downstream. If boat takes 3 hrs more to cover upstream than downstream then find the speed of boat in still water (km/hr) if speed of stream is 5/9 m/sec ?
(A) 8 km/hr (B) 2 km/hr (C) 5 km/hr (D) 4 km/hr (E) 3 km/hr

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IBPS Other Question

What will be the area (in square metre) of 1.5 m wide garden developed around all the four sides of a rectangular field having area equal to 300 sq m and breadth equal to three fourths of the length? (in sq m) (A) 114 (B) 105 (C) 102 (D) 121 (E) None of thses A bag has 15 red, green and blue balls. Number of each balls is different in the bag. Difference between red ball and green ball is same as difference between green ball and blue ball. Probability of selecting one blue ball from the bag is greater than 0.2, then number of blue balls in the bag can be
(A) 3 (B) 4 (C) 5 (D) 7 (E) 9
(a) Only B, C, D and E
(b) Only B, D, E
(c) All A, B, C, D and E
(d) Only C, D, E
(e) Only A, B, D, E