When (21)² is subtracted from the square of a number the answer obtained is 1584. What is the number ?

Number System
When (21)² is subtracted from the square of a number the answer obtained is 1584. What is the number ?

55

45

35

65

55

45

35

65

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Number System
What is 25/2% of 482 times of 183 ?

11025.75

12025.75

11050.75

12025.50

11025.75

12025.75

11050.75

12025.50

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Number System
The sum of two numbers is 165 and the difference between them is 9. What is the average of these two numbers ?

83.5

84.5

82.5

85.5

83.5

84.5

82.5

85.5

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Number System
In how many different ways can 7 boys and 3 girls sit in a row such that all the three girls do not sit together ?

3186880

3286880

3086880

3386880

3186880

3286880

3086880

3386880

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Number System
Three times the first of three consecutive odd integers is 3 more than twice the third. The third integer is:

13

9

15

11

13

9

15

11

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Number System
Supply the missing figure : 2, 6, 12, 20, 30 ... 56

42

39

40

41

42

39

40

41

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Number System

Number System When (21)² is subtracted from the square of a number the answer obtained is 1584. What is the number ?

Number System What is 25/2% of 482 times of 183 ?

Number System The sum of two numbers is 165 and the difference between them is 9. What is the average of these two numbers ?

Number System In how many different ways can 7 boys and 3 girls sit in a row such that all the three girls do not sit together ?

Number System Three times the first of three consecutive odd integers is 3 more than twice the third. The third integer is:

Number System Supply the missing figure : 2, 6, 12, 20, 30 ... 56

Number System
When (21)² is subtracted from the square of a number the answer obtained is 1584. What is the number ?

Number System
What is 25/2% of 482 times of 183 ?

Number System
The sum of two numbers is 165 and the difference between them is 9. What is the average of these two numbers ?

Number System
In how many different ways can 7 boys and 3 girls sit in a row such that all the three girls do not sit together ?

Number System
Three times the first of three consecutive odd integers is 3 more than twice the third. The third integer is:

Number System
Supply the missing figure : 2, 6, 12, 20, 30 ... 56