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Number System

Number System
(800 / 64) * (1296 / 36) = ?

420
None of these
460
500

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Given Exp.= 800/64 * 1296/36 = 12.5 * 36 = 450

Number System
Pick the wrong number from the given number series. 3,4,10,33,135,685,4116

685
10
33
135

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

The correct number is 136.3 x 1 + 1 = 44 x 2 + 2 = 1010 x 3 + 3 = 3333 x 4 + 4 = 136136 x 5 + 5 = 685685 x 6 + 6 = 4116

Number System
5358 * 51 = ?

273358
273348
273268
273258

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

5358 * 51 = 5358 * (50 + 1) = 5358 * 50 + 5358 * 1= 267900 + 5358 = 273258

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

2105
2345
5243
2435

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

2000 + 300 + 40 + 5 = 2345

Number System
Which choice provides the answer : If 2 + 3 = 10, 6 + 5 = 66, 7 + 2 = 63, 9 + 7 = 144 then, 8 + 4 = ?

88
114
102
96

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

96

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

77
80
83
85

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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