2 of 3/4 ÷ 3/4 + 1/4 =?

Correct Answer: 14/7

Explanation:

Given expression = 1 + 1 ÷ {1 + 1 ÷ (1 + 1/3)}
= 1 + 1 ÷ { 1 + 1 ÷ 4/3}
= 1 + 1 ÷ { 1 + 3/4}
= 1 + 1 ÷ 7/4
= 1 + 1 x 4/7
= 1 + 4/7
= 1⁴/₇

Correct Answer: 3

Explanation:

Given expression = 10 - [ 9 - {8 - 1}] - 5
= 10 - [9 - 7] - 5
= 10 - 2 - 5
= 3

Correct Answer: 12

Explanation:

Given expression = 48/12 x (3/2 ÷ 1/2)
= 4 x (3/2) x 2
= 12

Correct Answer: 21/3

Explanation:

Let 13/4 + 25/6 + N + 1/4 = 10, then
N = 10 - (13/4 + 25/6 + 1/4)
= 10 - (39 + 50 + 3)/12
= 10 - 92/12
= 7/3
= 2¹/₃

Correct Answer: 131/90

Explanation:

Given expression = 8/5 - 2/3 x 13/12 + 7/5 x 1/3
= 8/5 - 13/18 + 7/15
= (144 - 65 + 42) / 90
= 121/90

Correct Answer: 3/2

Explanation:

Given expression = 1/2 + 1/2 ÷ 1/2
= 1/2 + 1
= 3 / 2

Correct Answer: 12

Explanation:

Let (17.28 ÷ N ) / (3.6 x 0.2) = 2
Then, 17.28 / N = 1.44
? N = 17.28 / 1.44
= 12

Correct Answer: 100000

Explanation:

Given expression = [(69842)² - (30158)²] / [(69842 - 30158)]
= [ (69842 - 30158) (69842 + 30158) ] / (60842 - 30158)
= 100000

Correct Answer: 1

Explanation:

Given expression = 93/100 + 7/5 x 1/20
= 93/100 + 7/100
= 1

Correct Answer: 1.1203

Explanation:

Given expression = (108 + 9 + 3 +1) / 108
= 121 / 108
= 1.1203