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Number System

Number System
4550 ÷ 25% of ? = 130

135
125
130
140

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

4550 ÷ ? x 25/100 = 130= 4550 ÷ ?/4 = 130= 4550 x 4/? = 130= ? x 130 = 4550 x 4= ? = 4550 x 4/130 = 140

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

169
168
170
171

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

168

Number System
0.333 .... × 0.444 .... is equal to

0.148148148 ....
1.333 ....
0.777 ....
0.121212 ....

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

0.148148148 ....

Number System
What should be the least number to be added to the 51234 number to make it divisible by 9?

4
3
6
5

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

The least number to be added to the numbers to make them divisible by 9 is equal to the difference of the least multiple of 9 greater than the sum of the digits and sum of the digits.Sum of digits = 15.Nearest multiple of 9 greater than sum of digits = 18.Hence 3 has to be added.

Number System
Find the least number with which 16200 should be multiplied, to make it a perfect cube.

45
48
360
36

ANSWER DOWNLOAD EXAMIANS APP

Number System
If the difference between a number and its 2/5 is 240, find the number.

360
400
440
480

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let the no. be x Therefore x - 2x/5 = 240,        Therefore, 3x/5 = 240Therefore, x = 240x5/3 = 400

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