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Number System

Number System
The sum of two numbers is 25 and their difference is 13. Find their product.

104
114
325
315

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let the numbers be x and y. Then x + y = 25 and x - y = 13.x = 19; y = 6xy = 19 * 6 = 114

Number System
(12.04 x 7.5 + 0.8 x 45) ÷ 3 = ?

54.7
42.6
42.1
45

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

(90.3 + 36) ÷ 3 = 126.3/3 = 42.1

Number System
Find the least value of 3x + 4y if x2y3 = 6.

3
7
10
6

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

10

Number System
On dividing number by 357, we get 39 as remainder. On dividing the same number by 17, what will be the remainder?

5
3
11
0

ANSWER DOWNLOAD EXAMIANS APP

Number System
If (72)² is subtracted from the square of a number, the answer thus obtained is 4617. What is the number ?

95
99
92
103

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

x² - (72)² = 467Therefore, x² = 4617 + 5184Therefore, x² = 9801  Therefore, x = 99

Number System
Supply the missing figure : 3, 11, 8, 16, 13 .... 18

21
18
12
28

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

21

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