Boat&stream problem

Speed of a boat in standing water is 14 kmph and the speed of the stream is 1.2 kmph. A man rows to a place at a distance of 4864 km and come back to the starting point. The total time taken by him is::

a) 700 hrs                                                           b) 300 hrs

c) 1400 hrs                                                         d) 1010 hrs

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Boat&stream pblm

A man rows to a place 48 km distant and come back in 14 hours. He finds that he can row 4 km with the stream in the same time as 3 km against the stream. The rate of the stream is::

a) 1 km/hr                                                             b) 2 km/hr

c) 1.5 km/hr                                                          d) 2.5 km/hr

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5 to 2 Squares # Stick Puzzle

There are 5 squares in the picture. Remove 2 sticks so that only 2 squares are left.

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Time&work problem

13 men and 12 women earn Rs.11120/- in 8 days. 9 men and 11 women earn Rs. 12840/- in 12 days. In how many days will 8 men and 15 women earn Rs. 17400/-??

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How much money did Ravi borrowed

Ravi borrowed some money at the rate of 4 pcpa for the first three years, at the rate of 8 pcpa for the next two years and at the rate of 9 pcpa for the period beyond 5 years. If he pays a total simple interest of Rs.19,950at the end of 7 years, How much money did he borrow??

1) Rs. 39,500            2) Rs. 42,500                3) Rs. 41,900               4)Rs. 43,000

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Find Square root

Which of the following has integral square root??

a)   (111111 - 222)          b)   (111111 - 2222)     c)    (1111 - 22)

1) Only a            2) Only b                 3) Only c                  4) Only a&c            5) Only b&c

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Find wrong number

In following number series find out the wrong number

 i) 14, 18, 26, 42, 76, 138, 266

 ii) 3, 15, 35, 63, 99, 150, 195

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