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Number System

Number System
?2704 x ?2209=?

2444
3444
4444
1444

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

2444

Number System
65% of 320+?=686

480
478
481
479

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

65% of 320+?=686 208+?=686?=686-208?=478

Number System
If one-third of one fourth of a number is 15, then three-tenth of that number is:

45
35
54
25

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let the number be x. Then,1/3 of 1/4 of x = 15x = 15 * 12 = 180So, required number = (3/10 * 180) = 54.

Number System
The sum of three consecutive even numbers is 252. What is the sum of the smallest and the largest numbers?

170
168
169
171

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

168

Number System
If the sum of five consecutive even numbers A, B, C, D and E is 130, what is the product of A and E ?

720
780
840
660

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let the consecutive even numbers be A = 2x, B = 2x + 2, C = 2x + 4, D = 2x + 6 and E = 2x + 8= A + B + C + D + E = 130= 10x + 20 = 130∴ x = 130 - 20/10 = 11Therefore, product of A and E= 22 x 30 = 660

Number System
How many of the following numbers are divisible by 132? 264, 396, 462, 792, 968, 2178, 5184, 6336

6
7
4
5

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

132 = 11 * 3 * 4Clearly, 968 is not divisible by 3None of 462 and 2178 is divisible by 4And, 5284 is not divisible by 11Each one of the remaining four numbers is divisible by each one of 4, 3 and 11.So, there are 4 such numbers.

MORE MCQ ON Number System

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