Question
A number is first increased by 60%, then increased by 20%
and then decreased by 40%. If the resultant number is 403.2, then find the original number.Solution
ATQ,
Let the original number be '100x'.
ATQ;
100x × 1.6 × 1.2 × 0.6 = 403.2
Or, 115.2x = 403.2
So, x = 3.5
So, original number = 3.5 × 100 = 350
- This question is based on the five, three-digit numbers given below.
(Left) 879 896 884 936 985 (Right)
(Example- 879 – First digit = 8, seco... 
In the following number sequence, how many such 8s are there, each of which is exactly divisible by its immediate preceding number but not divisible by...
Select the number-pair in which the two numbers are related in the same way as are the two numbers of the following number-pair.
7 : 85
Select the option that is related to the third number in the same way as the second number is related to the first number and the sixth number is relate...
If the positions of the second and the third digit of each of the numbers are interchanged, how many odd numbers will be formed?
Select the set in which the numbers are related in the same way as are the numbers of the following set.
(4, 152, 6)
Two bus tickets from city A to B and three tickets from city A to C cost ₹ 77 but three tickets from city A to B and two tickets from city A to C cost...
Simplify:
Â
Relevant for Exams:
