Percentage
- 12.5% of 192 = 50% of ?
-
View Hint View Answer Discuss in Forum
Let 12.5% of 192 = 50% of A,
⇒(12.5 x 192) / 100 = (50 x A) / 100Correct Option: A
Let 12.5% of 192 = 50% of A,
⇒(12.5 x 192) / 100 = (50 x A) / 100
∴ A = (12.5 x 192) / 50 = 48
- If 371/2% of a number is 900,then 621/2% of the number is ?
-
View Hint View Answer Discuss in Forum
Let 371/2% of A = 900
⇒ {(75/2) x A} x 100 = 900
∴ A = (900 x 2 x 100) / 75 = 2400Correct Option: C
Let 371/2% of A = 900
⇒ {(75/2) x A} x 100 = 900
∴ A = (900 x 2 x 100) / 75 = 2400
So, 621/2% of A = (125/2) x (1/100) x 2400 =1500
- Subtracting 6% of A from A is equivalent to multiplying A by how much ?
-
View Hint View Answer Discuss in Forum
Let A - 6% of A = AB.
⇒ (94 x A) / 100 = AB
∴ B = 0.94Correct Option: A
Let A - 6% of A = AB.
⇒ (94 x A) / 100 = AB
∴ B = 0.94
- By how much is 30% of 80 greater than 4/5th of 25 ?
-
View Hint View Answer Discuss in Forum
It is (30 x 80)/100 - (4 x 25)/ 5 = 24 - 20 = 4
Correct Option: B
It is (30 x 80)/100 - (4 x 25)/ 5 = 24 - 20 = 4
- The price of an article is cut by 10%. To restore it to the former value. The new price must be increased by ?
-
View Hint View Answer Discuss in Forum
Let original price = Rs. 100.
Then, new price = Rs. 90.
∴ Increased on Rs. 90 = Rs. 10Correct Option: C
Let original price = Rs. 100.
Then, new price = Rs. 90.
∴ Increased on Rs. 90 = Rs. 10
Required increase % = (10 x 100) / 90 % = 111/9%
