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Number System

Number System
The difference between a number and its three-fifth is 50. What is the number?

125
None of these
75
100

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

x - 3/5 x = 50 => 2/5 x = 50x = (50 * 5)/2 = 125.

Number System
Two third of three- fifth of one fourth of a number is 24, what is 30% of that number?

90
69
42
72

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

x * 2/3 * 3/5 * 1/4 = 24x = 240240 * 30/100 = 72

Number System
What is the difference between the local value of 7 and 5 in the number 2574?

430
413
403
570

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

500 – 70 = 430

Number System
The average of 7 consecutive even numbers A, B, C, D, E, F and G is 36. What is the product of ' C and 'E' ?

1468
1292
1327
1168

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

A + B + C + D + E + F + G/7 = 36Therefore, D = 36Therefore, C = 34,                             E = 38Therefore, Product = 34 x 38 = 1292

Number System
What is the sum of all even numbers from 1 to 701?

123850
122500
122850
122550

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

700/2 = 350350 * 351 = 122850

Number System
56.21 +2.36+5.41 —21.4+1.5=?

44.08
34.08
54.08
64.08

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

44.08

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