Mr. Peeter bought some oranges and pears. After giving away 20 oranges, he had twice as many pears as oranges left. If he had 32 pears in the end, what was the ratio of oranges to pears in the beginning?

A) 9 : 8

B) 10 : 12

C) 11 : 23

D) 16 : 7

The figure consists of 3 different squares, A, B, and C, which overlap one another. The ratio of their areas is 9 : 3 : 11, of Square B is shaded. What is the ratio of the shaded area to the unshaded areas?

A) 11 : 15

B) 5 : 31

C) 3 : 20

D) 4 : 13

If the ratio of two-wheeler vehicles to three-wheeler vehicles in a city is 35:45. Find the total number of three-wheeler vehicles if the total number of two-wheeler vehicles is 280?

A) 903

B) 309

C) 930

D) 360

38:43 is the ratio of marks obtained by two friends. If the first friend obtained 89 marks, fin the marks obtained by second friend?

A) 100.81

B) 100

C) 100.18

D) 10.81

If the ratio of number of burgers sold to the number of pizzas sold are 28: 40. Find the number of burgers sold, if in total 90 pizzas were sold?

A) 63

B) 60

C) 36

D) 30