Which one of the following represents the sum of the first n even numbers?

Number System
Which one of the following represents the sum of the first n even numbers?

N2

N(N + 1)

N(N – 1)

N2+ 1

N2

N(N + 1)

N(N – 1)

N2+ 1

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Number System
What is the sum of the local values of the digits 2, 3, 4, 5 in the number 2345?

5243

2345

2105

2435

5243

2345

2105

2435

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Number System
A number when divided by 221 gives a remainder 43, what remainder will be obtained by dividing the same number 17?

10

5

9

11

10

5

9

11

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Number System
2536+4851—?=3450+313

5243

4567

3624

6784

5243

4567

3624

6784

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Number System
If the sum of 4 consecutive odd numbers is 104, what will be the third number if they are arranged in ascending order ?

29

27

28

30

29

27

28

30

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Number System
Radha's present age is three years less than twice her age 12 years ago. Also the respective ratio between Raj's present age and Radha's present age is 4 : 9. What will be Raj's age after 5 years ?

16 years

14 years

17 years

15 years

16 years

14 years

17 years

15 years

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Number System

Number System Which one of the following represents the sum of the first n even numbers?

Number System What is the sum of the local values of the digits 2, 3, 4, 5 in the number 2345?

Number System A number when divided by 221 gives a remainder 43, what remainder will be obtained by dividing the same number 17?

Number System 2536+4851—?=3450+313

Number System If the sum of 4 consecutive odd numbers is 104, what will be the third number if they are arranged in ascending order ?

Number System Radha's present age is three years less than twice her age 12 years ago. Also the respective ratio between Raj's present age and Radha's present age is 4 : 9. What will be Raj's age after 5 years ?

Number System
Which one of the following represents the sum of the first n even numbers?

Number System
What is the sum of the local values of the digits 2, 3, 4, 5 in the number 2345?

Number System
A number when divided by 221 gives a remainder 43, what remainder will be obtained by dividing the same number 17?

Number System
2536+4851—?=3450+313

Number System
If the sum of 4 consecutive odd numbers is 104, what will be the third number if they are arranged in ascending order ?

Number System
Radha's present age is three years less than twice her age 12 years ago. Also the respective ratio between Raj's present age and Radha's present age is 4 : 9. What will be Raj's age after 5 years ?