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Number System

Number System
3251 + 587 + 369 - ? = 3007

1300
1375
1200
1250

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let 4207 - x = 3007 Then, x = 4207 - 3007 = 1200

Number System
If the average of two numbers is 88.5 and one number is 5.5 less than the average. Find out the next number.

86
94
91
97

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

94

Number System
What is 432 times 119 ?

52408
53408
51408
50408

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

No. 432 x 119 = 51408

Number System
Thrice the square of a natural number decreased by 4 times the number is equal to 50 more than the number. The number is:

6
5
10
4

ANSWER DOWNLOAD EXAMIANS APP

Number System
What number should come in the place of (?) in the following number series ? 1, 4, 9, 25, 49, ?, 169, 289, 361

11
121
321
225

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

The series is (Prime No.)²So it is (11)² = 121

Number System
The average of five consecutive even numbers A, B, C, D and E is 54. What is the product of'B' and 'E' ?

3016
4098
1456
2871

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Because, The even numbers are consecutive and their average is 54.∴ The number C will be 54.∴ A = 50, B = 52, D = 56, E = 58B x E = 52 x 58 = 3016

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