Linear Equation in one variable - G4

Which of the following is NOT a linear equation in one variable?

Tags

CCSS.8.F.A.3

Construct linear equation for the following statement:

Two numbers are in the ratio 5 : 7 and sum of the numbers is 120

• 5x + 7x = 120

• 5x - 7x =120

• x ⁄ 5 + x ⁄ 7 = 120

• None of the above

Niral thought of a number n. He subtracted 7 from thrice the number to get 11.

How much is n + 2?

• 6

• 8

• 20

• cannot be determined as the number n is not known

Tags

CCSS.7.EE.B.4A

If 7x + 3 = 24, what is the value of 5 - 4x ?

• -23
• -7
• 1
• 17

Tags

CCSS.7.EE.B.4A

Arun is 5 years older than Hari. Hari is 2 years younger than Ali. Their ages total up to 37.

What is Hari's age? ________ years

• 12

• 18

• 16

• 10

Tags

CCSS.8.EE.C.7B

Age of Anu and Manu are in ratio 5:4. Six years from now their age will be in the ratio 7:6.

Sum of their present ages is

• 24

• 27

• 30

• 33

Tags

CCSS.8.EE.C.8C

The digit in the ten’s place of a two digit number is 3 more than digit in the unit’s place. Let the digit in the units place be b. Then the number is?

• $11b+30$
  

• $10b+30$

• $11b+3$

• $10b+3$

Tags

CCSS.6.EE.B.6

A boy ate 60 biscuits in 5 days. Each day he ate 3 biscuits more than the previous day. How many biscuits did he eat on the fifth day?

________________ biscuits

Tags

CCSS.HSF.BF.A.2

After cutting out a few pieces of length 80 cm each, from a 10 m long rope, a 360 cm piece is left.

How many pieces of length 80 cm each were cut?

________ pieces

Tags

CCSS.7.EE.B.4A

Anand has Δ red marbles. Jacob has 3 more red marbles than Anand. Which of the following expression gives the TOTAL number of marbles the two boys have?

• 3Δ

• Δ + 3

• 2Δ + 3

• 3Δ + 2

Tags

CCSS.6.EE.B.6