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Number System

Number System
Find out the smallest possible number which will be divisible by 1122 as well as 153.

3366
1366
2366
4366

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

3366

Number System
124, 235, 447, 760, 1174, ?

1489
1689
1589
1389

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

+111, +212, +313, +414

Number System
384×12×2=?

6123
7487
9216
8465

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

9216

Number System
The average of five consecutive even numbers, p, q, r, s and t is 40. What is the product of 'r' and 's' ?

1580
1780
1480
1680

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let the numbers be x, x + 2, x + 4, x + 6, and x + 8Avg = x + x + 2 + x + 4 + x + 6 + x + 8/5 = 40Therefore, 5x + 20 = 200Therefore, x = 180/5 = 36Therefore, r = x + 4 = 40                                 s =  x + 6 = 42Therefore, Product = 1680

Number System
The sum of the present age of a father and a son is 60 years. Five years before, the age of the father was four times that of son. What is the present age of the son ?

18 years
15 years
21 years
25 years

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let the father's age be x and son's age yTherefore, x + y = 60   ....................(i)Five years back, (x - 5) = 4 (y - 5)x - 4y = - 15 ......................(2)Solving (1) and (2), x = 45 and y = 15

Number System
The sum of the digits of a two digit number is 12. If the new number formed by reversing the digits is greater than the original number by 54, then what will be the original number?

59
39
49
69

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

39

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