Two successive price increases of 10% and 10% of an article are equivalent to a single price rise increase of

• 19%

• 20%

• 21%

• 22%

If 60% of A = 3/4 of B,  then A: B  is

• 9 :  20

• 20 : 9

• 4 : 5

• 5 :  4

If A's income is 50% less than that of B's, then B's income is what percent more than that of A?

• 125

• 100

• 75

• 50

1.14 expressed as a per cent of 1.9 is

• 6%

• 10%

• 60%

• 90%

Two natural numbers are in the ratio 3 : 5 and their product is 2160. The smaller of the numbers is

• 36

• 24

• 18

• 12

By selling an article, a man makes a profit of 25% of its selling price. His profit percent is

• 20

• 25

• 

• 

By selling a bicycle of ₹ 2850, a shopkeeper gains 14%. If the profit is reduced to 8%, then the selling pri e will be

• ₹ 2600

• ₹ 2700

• ₹ 2800

• ₹ 3000

If the ratio of cost price and selling price of an article be as 10 : 11, the percentage of profit is

• 8

• 10

• 11

• 15

129.

A manufacturer marked an article at ₹ 50 and sold it allowing 20% discount. If his profit was 25%, then the cost price of the article was

• ₹ 40

• ₹ 35

• ₹ 32

• ₹ 30

A shopkeeper earns a profit of 12% on selling a book at 10% discount on the printed price. The ratio of the cost price and the printed price of the book is

• 45 : 56

• 45 : 51

• 47 : 56

• 47 : 51