Competitive Exam Paper
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Tuesday, 17 April 2018

April 17, 20180 Comments
DISCOUNT

1.Simple interest on the sum due of a bill for the time from when the bill is discounted to the due date of bill is called
A.Simple Interest
B. Compound Interest
C.True Discount
D.Banker's Discount

 2.The true discount on a sum of money due 1 years is Rs. 100 and banker's discount on the same sum  and for the same time is Rs. 104.The sum is :
A.Rs. 2500
B.Rs. 2550
C.Rs. 2600
D.Rs. 2700

 3.The interest  of Rs. 5000 is equal to the true discount on Rs. 5050 at 4% p.a. The latter is due after :
A.3 months
B.4 months
C.5 months
D.6 months
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Thursday, 12 April 2018

April 12, 20180 Comments
SOME QUESTION OF ARITHMETIC

 1> The difference of 40% discount on Rs. 500 and successive discounts of 36% and 4% on Rs. 500 is 
A) Rs. 2              B)  Rs. 0         C) Rs. 18           D)  Rs. 7.20

 2> 14 persons can sink a tubewell in 12 days. How many extra persons are required to sink the tubewell in 8 days ?
A)  9 persons          B)6 persons        C) 3 persons           D)7 persons

 3> After ringing together 5 bells begin to ring at intervals of 9 sec, 6 sec, 4 secs, 10 secs and 8 secs respectively. How many times the bells will ring together in one hour starting from first time ringing together ?
A) 11 times    B)9 times   C) 8 times   D) 12 times

 4> The H.C.F. of the three numbers 1.7, 0.51 and 0.153 is
A) 0.17     B)0.017      C)0.0017       D)1.7
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Friday, 6 April 2018

April 06, 20180 Comments
L.C.M. & H.C.F.

 If X is divisible by Y ,that is X/Y, and then X is the producer of Y.

 L.C.M. : The Least Common Multiple (LCM) of a group of numbers is the smallest number that is a multiple of all the numbers. For instance, the LCM of 16 and 20 is 80; 80 is the smallest number that is both a multiple of 16 and a multiple of 20. You can find the LCM of two or more numbers through various methods.

H.C.F.(G.C.D.) :The highest number that divides exactly into two or more numbers. When we find all the factors of two or more numbers, and some factors are the same ("common"), then the largest of those common factors is the Greatest Common Factor. Abbreviated "GCF". Also called "Highest Common Factor.The highest common factor is found by multiplying all the factors which appear in both lists: So the HCF of 60 and 72 is 2 × 2 × 3 which is 12.
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April 06, 20180 Comments
SOME QUESTION
1.The only even prime number is:
 A)2   B)79   C)98   D)67

 2.Which of the following is a prime number?
A)117   B)159   C)147   D)149

 3.The value of 7*0 is:
A)2   B)7   C)0   D)1

 4.The smallest number of four digits is:
A)1000   B)0010   C)0001   D)1001

 5.The product of two prime numbers is a :
A)Prime numbers   B)Even numbers   C)Odd numbers   D)Composite numbers.

 6.The largest number which is a factor of 56 as well as 84 is :
A)2   B)7   C)14   D)28

 7.L.C.M. of 6,9,12,18 is :
A)28   B)36   C)38   D)42
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Thursday, 5 April 2018

April 05, 20180 Comments
NUMBERS
A number tell us how many times a unit is contained in a given quantity.It therefore signifies one or more units,or denotes one or more distinct objects of the same kind.

 Whole numbers: The numbers 0,1,2,3,.....are called whole numbers.

 Even numbers: The numbers ,which are divisible by 2 are called even numbers.2,4,6,8,10,12,14,16,.......are called even numbers.

 Odd numbers:The numbers ,which are not divisible by 2 are called odd numbers.1,3,5,7,9,11,13,15,17,19............are called odd numbers.

 Prime numbers: The numbers ,which are divisible only by themselves are called prime numbers.1,3,5,7,11,13,17,19,23,...........are called prime numbers.

 Composite numbers:The numbers which are not prime are called composite numbers.4,6,8,9,10,12,14,15,16............are called composite numbers.

 Consecutive numbers:6,7,8,9 and 10 are consecutive,but 4,5,6,8 and 10 are not consecutive numbers.
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