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Numerical Ability Practice set-1 for IBPS & SBI Clerk


Numerical Ability Practice set-1 for IBPS & SBI Clerk

1. If the radius of a circle is diminished by 10%, then its area is diminished by:
a) 10%   
b) 19%   
c) 20%   
d) 36%             
e) None of these


2. A boat travels 20 km upstream in 6 hrs and 18 km downstream in 4 hrs. Find the speed of the boat in still water and the speed of the water current?
a) 1/2 km/h   
b) 7/12 km/h  
c) 5 km/h   
d) Can’t be determined
e) None of these


3. A shop keeper sold a T.V set for Rs.17,940 with a discount of 8% and earned a profit of 19.6%.What would have been the percentage of profit earned if no  discount was offered?
a) 24.8%   
b) 25%   
c) 26.4%   
d) Cannot be determined
e) None of these


4. If (2x - y) = 4 then (6x-3y)=?
a) 15     
b) 12     
c) 18     
d) 10       
e) None of these


5.  A clock is set right at 8 a.m. The clock gains 10 minutes in 24 hours. What will be the true time when the  clock indicates 1 p.m. on the following day?
a) 48 min. past 12 
b) 38 min. past 12 
c) 28 min. past 12 
d) 25 min. past 12   
e) None of these


6. Dinesh travelled 1200 km by air which formed 2/5 of his trip. One third of the whole trip, he travelled  by car and the rest of the journey he performed  by train. What was the distance travelled by train?
a) 600Km   
b) 700Km   
c) 800Km   
d) 900Km     
e) None of these

7. A train which travels at a uniform speed due to some mechanical fault after traveling for an hour goes at  3/5th of the original speed and reaches the  destination 2 hrs late. If the fault had occurred after traveling  another 50 miles the train would have reached 40 min earlier. What is distance between the  two stations?
a) 300    
b) 310    
c) 320    
d) 305      
e) None of these


8. The average between a two digit number and the number obtained by interchanging the digits is 9.  What is the difference between the two digits of the  number?
a) 8     
b) 6     
c) 2     
d) 5       
e) None of these


9. Pipe A can fill in 20 mins and Pipe B in 30 mins and Pipe C can empty the same in 40 mins. If all of them  work together, find the time taken to fill the  tank
a) 17(1/7)mins   
b) 20mins   
c) 8mins   
d) 9min   
e) None of these

10. A person has 4 coins each of different denomination. What is the number of different sums of money  the person can form (using one or more coins at a time)?
e) None of these


11. The simple interest on a certain sum of money for 3 years is 225 and the compound interest on the  same sum at the same rate for 2 years is 153 then the principal invested is:
a) 1500   
b) 2250   
c) 3000   
d) 1875     
e) None of these


12. A cow is tethered in the middle of a field with a 14 feet long rope. If the cow grazes 100 sq. ft. per day,  then approximately what time will be taken by the cow to graze the whole field?
a) 2 days   
b) 6 days   
c) 18 days   
d) 24 days     
e) None of these


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