Question
A businessman's earning increase by 25%in one year but
decreases by 4%in the next. Going by this pattern, after 5 years, his total earnings would be Rs.72000. What is his present earning?Solution
using the chaining method we can write 25% =1/4 , 4% = 1/25 1st years increase 4-----> 5 2nd year decrease 25 ----> 24 3rd year increase 4--------> 5 4th year decrease 25 ----> 24 5th years increase 4-----> 5 initial --->final ratio is 5--------> 9 after 5 years earning is 9 --->72000 present earning = 5 × 8000 = Rs 40000
80, ?, 240, 80, 20, 4Â
251, 130, 274, ?, 301, 76Â
What will come in place of the question mark (?) in the following series?
45, 68, 114, 183, 275, ?
What value should come in the place of (?) in the following number series?
500, 789, 428, ?, 340, 965
Which of the following numbers will replace the question mark (?) in the given series?
17, 30, 44, 59, 75, ?
What will come in place of (?) question mark in the given number series.
52, 61, 79, 106, 142, ?Â
In each of the following number series, one term is missing. Find the missing term.
7, 14, 28, 56, 112, ?
- What will come in place of the question mark (?) in the following series?
20, 32, 50, 74, 104, ? What will come in place of the question mark (?) in the following series?
15, 26, 39, 56, ?, 98
Find the missing number, in the given number series.
42, 52, 72, 112, 192, ?
