Aptitude practice questions for sbi clerk 2018 part 3

Q1: 3 is what % of 60 ?
Ans : 

=  50

Q2:What % of 6 is 54 ?

Ans:     

Q3:10 % loss on selling price is what % loss on cost price ?

Ans:  Let S.P = 100rs then loss =10 rs

           

Loss = C.P-S.P

C.P =Loss+ S.P

C.P =100+10

C.P=110

Loss % = ((10/110)*100)% =9(1/11)


Q4:A man loses the selling price of 4 apples on selling 36 apples . what is his loss% ?


Ans:
Loss ( S.P Of 4 apples) = C.P of 36 apples - S.P of 36 apples
4S.P=36C.P-36S.P
40 S.P = 36 C.P
Loss % = (4/40)*100 = 10 %


Q5: The Average weight of 10 boys in a class is 48.50 Kg and that of remaining 6 boys is 34.60. Find the average weight of all the boys in the class .
Ans :





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