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Number System

Number System
The number of prime factors of (6)10×(7)17×(55)27

61
41
101
91

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

91

Number System
35 + 15 * 1.5 = ?

51.5
5.25
75
57.5

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Given Exp. = 35 + 15 * 3/2 = 35 + 45/2 = 35 + 22.5 = 57.5

Number System
In how many different ways can the letters of word 'BIOLOGY' be arranged ?

2410
2678
2520
2367

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

In BIOLOGY total 7 letters are there but O comes twice.∴ Number of arrangements = 7!/2! = 2520

Number System
Complete the series : 11, 12, 17, 18, 23, 24 ...

12
None of these
30
14

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

None of these

Number System
The sum of three consecutive multiples of 3 is 72. What is the largest number?

24
27
36
21

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let the numbers be 3x, 3x + 3 and 3x + 6.Then,3x + (3x + 3) + (3x + 6) = 729x = 63x = 7Largest number = 3x + 6 = 27.

Number System
8988 / 8 / 4 = ?

2247
561.75
4494
280.875

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

8988 * 1/8 * 1/4 = 2247/8 = 280.875

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