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1.	Find the value of y, if [(3y + 5)/(4y + 6)] = (1/5)1. 1/112. 2/113. -19/114. 25/11
Answer» Correct Answer - Option 3 : -19/11 Given [(3y + 5)/(4y + 6)] = (1/5) Calculation [(3y + 5)/(4y + 6)] = (1/5) ⇒ 5(3y + 5) = 1(4y + 6) ⇒ 15y + 25 = 4y + 6 ⇒ 15y - 4y = 6 - 25 ⇒ 11y = - 19 ⇒ y = - 19/11 ∴ The value of y is (-19/11).

Find the value of y, if [(3y + 5)/(4y + 6)] = (1/5)1. 1/112. 2/113. -19/114. 25/11

Answer» Correct Answer - Option 3 : -19/11

Given

[(3y + 5)/(4y + 6)] = (1/5)

Calculation

[(3y + 5)/(4y + 6)] = (1/5)

⇒ 5(3y + 5) = 1(4y + 6)

⇒ 15y + 25 = 4y + 6

⇒ 15y - 4y = 6 - 25

⇒ 11y = - 19

⇒ y = - 19/11

∴ The value of y is (-19/11).

Discussion

2.	Find the value of a, if [a + (2 × 3a) - a] = 61. 12. 23. 34. 4
Answer» Correct Answer - Option 1 : 1 Given [a + (2 × 3a) - a] = 6 Calculation [a + (2 × 3a) - a] = 6 ⇒ a + 6a - a = 6 ⇒ 6a = 6 ⇒ a = 1 ∴ The value of a is 1.

Find the value of a, if [a + (2 × 3a) - a] = 61. 12. 23. 34. 4

Answer» Correct Answer - Option 1 : 1

Given

[a + (2 × 3a) - a] = 6

Calculation

[a + (2 × 3a) - a] = 6

⇒ a + 6a - a = 6

⇒ 6a = 6

⇒ a = 1

∴ The value of a is 1.

Discussion