Look at this series: 664, 332, 340, 170, ____, 89, ... What number should fill the blank?
A). 155
B). 178
C). 185
D). 192
178
This is an alternating division and addition series: First, divide by 2, and then add 8.
1. Sum of the digits number is 8 and their product is 12. Find the difference between the digits?
2. What is the least number which leaves 5 as a remainder when divided by 7, 14, 15 and 18?
3. The number of pairs lying between 40 and 100 with their H.C.F as 15 is:
5. If one-seventh of a number is 55 then 40% of that number = ?
6. Find the sum of all two digits numbers divisible by 4.
7. What is the sum of all the numbers between 300 and 1000 which are divisible by 179?
9. 4/6 of 6/5 of 5/7 of a number is 96. Find the number.
10. Which value among \(\sqrt[3]{5},\sqrt[4]{6},\;\sqrt[6]{{12}},\sqrt[{12}]{{276}}\) is the largest?