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Number System

Number System
(√6 + 1)² = ? + 2√6

5
6
7
8

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

? = (√6 + 1)² - 2√6= (√6)² + 2 x √6 + 1 + 1² - 2√6= 6 + 2√6 + 1 - 2√6 = 6 + 1 = 7

Number System
83250÷?=74×25

38
45
21
59

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

45

Number System
Sum of two numbers is 15. Two times of the first exceeds by 5 from the three times of the other. Then the numbers will be?

6, 9
10, 5
7, 8
9, 6

ANSWER DOWNLOAD EXAMIANS APP

Number System
The average of five consecutive even numbers A, B, C, D and E is 42. What is the product of B and D ?

1760
3289
2476
4589

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

A + B + C + D + E/5 = 42∴ C = 42,   ∴ B = 40,  ∴ D = 44∴ B x D = 40 x 44 = 1760

Number System
In a division sum, the quotient is 120, the divisor 456 and the remainder 333, find the dividend?

55053
56053
5553
50553

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

120 * 456 + 333 = 55053

Number System
If one third of 3/4 of a number is 21. Then find the number?

84
630
840
63

ANSWER DOWNLOAD EXAMIANS APP
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