If cost of one theme cake is $200 and cake shop has sold 6 cakes a day then the total sales of cake shop 3 days will be

If four times of certain number 'a' is ten more than thrice the number then the equation derived for this statement can be written as

A. 3a = 4a + 10

B. 3a = 4a - 10

C. 4a = 3a - 10

D. 4a = 3a + 10

By solving the equation 1 2⁄3a + 6 = 4 1⁄2a - 10, the value of 'a' will be

A. 14

B. 12

C. 16

D. 18

By solving the equation a = 2 - 9a, the value of a will be

A. 1⁄5

B. 2⁄3

C. 2⁄5

D. 1⁄2

By solving the equation 2a - 2 = 20, the value of 'a' will be

A. 12

B. 14

C. 11

D. 13

On solving the equation 3 1⁄5b + 5 = 50, the value of 'b' must be

A. 8 1⁄12

B. 14 1⁄16

C. 14 1⁄17

D. 12 1⁄19