Question
The raw material cost of an article is 1/3Â of its
manufacture cost. If the cost of manufacturing is decreased in the ratio of 4 : 3 and the cost of its raw material is increased in the ratio of 4 : 5, then overall cost of article reduced by Rs. 16. Find out its initial cost?Solution

Choose the number which is different from the group.
 How many numbers up to 800 are divisible by both 3 and 5?
15Â Â Â Â Â Â Â Â Â Â 15Â Â Â Â Â Â Â Â Â Â 60Â Â Â Â Â Â Â Â Â Â 540Â Â Â Â Â Â Â Â 8650
...If 893x2 is divisible by 56, and x > 6, find x.
A two-digit number is such that the sum of its digits is 10. If 36 is added to the number, the digits interchange their places. Find the number.
- When a number is divided by 60, the remainder is 17. What will be the remainder when the same number is divided by 10?
- Consider a number of the form '49678a' which is divisible by 6 but not divisible by 5. Find the value of (a × 2 + 3).
- What quantity must be subtracted from (11/16) to get (3/8)?
A fraction becomes 1/6 when 4 is subtracted from its numerator and 1 is added to its denominator. If 2 and 1 are respectively added to its numerator and...