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Number System

Number System
In a division sum, the divisor is 10 times the quotient and 5 times the remainder. If the remainder is 46, the dividend is:

5336
6890
2568
9865

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

5336

Number System
Of the three numbers, second is twice the first and is also thrice the third. If the average of the three numbers is 44, the largest number is

44
56
38
72

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

72

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

2435
2345
5243
2105

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

2000 + 300 + 40 + 5 = 2345

Number System
Find the nearest to 25268 which is exactly divisible by 467?

25218
25228
25208
25308

ANSWER DOWNLOAD EXAMIANS APP

Number System
If 5/7 of a number is 145, what is 180% of that number ?

375.4
365.4
345.4
355.4

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let the number be x.∴ x x 5/7 = 145∴ x = 145 x 7/5 = 203Now, 203 x 180/100 = 365.4

Number System
The product of two consecutive odd numbers is 6723. Find is the greater number.

77
80
85
83

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let the first odd number be x.Then, the other odd number would be x + 2.∴ x(x+2) = 6723= x2 + 2x = 6723= x2 + 2x = 6723= x2 + 2x - 6723 = 0= x2 + 83 - 81 x - 6723 = 0= x(x+83) - 81 (x + 83) = 0= (x + 83) (x - 81) = 0= (x + 83) (x - 81) = 0= x - 81 = 0∴ x = 81Hence, greater number = x + 2 = 81 + 2 = 83

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